Search a number
-
+
22442302302 = 2372323399709
BaseRepresentation
bin10100111001101010…
…100101101101011110
32010221001011002011120
4110321222211231132
5331430212133202
614150532231410
71423066264530
oct247152455536
963831132146
1022442302302
119577104982
124423a6b566
132168685024
14112c7d7850
158b539b0bc
hex539aa5b5e

22442302302 has 64 divisors (see below), whose sum is σ = 53757250560. Its totient is φ = 6106915584.

The previous prime is 22442302291. The next prime is 22442302331. The reversal of 22442302302 is 20320324422.

It is a happy number.

It is a super-2 number, since 2×224423023022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175224 + ... + 274932.

It is an arithmetic number, because the mean of its divisors is an integer number (839957040).

Almost surely, 222442302302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22442302302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26878625280).

22442302302 is an abundant number, since it is smaller than the sum of its proper divisors (31314948258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22442302302 is a wasteful number, since it uses less digits than its factorization.

22442302302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99977.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22442302302 its reverse (20320324422), we get a palindrome (42762626724).

The spelling of 22442302302 in words is "twenty-two billion, four hundred forty-two million, three hundred two thousand, three hundred two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 233 322 466 483 699 966 1398 1631 3262 4893 5359 9786 10718 16077 32154 37513 75026 99709 112539 199418 225078 299127 598254 697963 1395926 2093889 2293307 4187778 4586614 6879921 13759842 16053149 23232197 32106298 46464394 48159447 69696591 96318894 139393182 162625379 325250758 487876137 534340531 975752274 1068681062 1603021593 3206043186 3740383717 7480767434 11221151151 22442302302