Search a number
-
+
22022322031 = 149147800819
BaseRepresentation
bin10100100000101000…
…011111011101101111
32002211202212212112201
4110200220133131233
5330100203301111
614041130442331
71406506435333
oct244050373557
962752785481
1022022322031
119381032546
1243272933a7
1320cc6692a8
1410ccb117c3
1588d58c6c1
hex520a1f76f

22022322031 has 4 divisors (see below), whose sum is σ = 22170123000. Its totient is φ = 21874521064.

The previous prime is 22022322011. The next prime is 22022322067. The reversal of 22022322031 is 13022322022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22022322031 - 25 = 22022321999 is a prime.

It is a super-3 number, since 3×220223220313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022322011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73900261 + ... + 73900558.

It is an arithmetic number, because the mean of its divisors is an integer number (5542530750).

Almost surely, 222022322031 is an apocalyptic number.

22022322031 is a deficient number, since it is larger than the sum of its proper divisors (147800969).

22022322031 is a wasteful number, since it uses less digits than its factorization.

22022322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147800968.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22022322031 its reverse (13022322022), we get a palindrome (35044644053).

Subtracting from 22022322031 its reverse (13022322022), we obtain a palindrome (9000000009).

The spelling of 22022322031 in words is "twenty-two billion, twenty-two million, three hundred twenty-two thousand, thirty-one".

Divisors: 1 149 147800819 22022322031