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22030401222 = 234891527979
BaseRepresentation
bin10100100001000111…
…010011111011000110
32002212100002100010000
4110201013103323012
5330104240314342
614042015542130
71406635214664
oct244107237306
962770070100
1022030401222
119385650565
124329b2a946
13210123778b
1410cdc15c34
1588e13644c
hex5211d3ec6

22030401222 has 40 divisors (see below), whose sum is σ = 49919106600. Its totient is φ = 7260951456.

The previous prime is 22030401209. The next prime is 22030401293. The reversal of 22030401222 is 22210403022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22030401195 and 22030401204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 749572 + ... + 778407.

It is an arithmetic number, because the mean of its divisors is an integer number (1247977665).

Almost surely, 222030401222 is an apocalyptic number.

22030401222 is an abundant number, since it is smaller than the sum of its proper divisors (27888705378).

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

22030401222 is a wasteful number, since it uses less digits than its factorization.

22030401222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528082 (or 1528073 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22030401222 its reverse (22210403022), we get a palindrome (44240804244).

The spelling of 22030401222 in words is "twenty-two billion, thirty million, four hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 89 162 178 267 534 801 1602 2403 4806 7209 14418 1527979 3055958 4583937 9167874 13751811 27503622 41255433 82510866 123766299 135990131 247532598 271980262 407970393 815940786 1223911179 2447822358 3671733537 7343467074 11015200611 22030401222