22012202232 has 24 divisors (see below), whose sum is σ = 59616381240. Its totient is φ = 7337400720.

The previous prime is 22012202117. The next prime is 22012202239. The reversal of 22012202232 is 23220221022.

22012202232 is a `hidden beast` number, since 220 + 1 + 220 + 223 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012202239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152862444 + ... + 152862587.

It is an arithmetic number, because the mean of its divisors is an integer number (2484015885).

Almost surely, 2^22012202232 is an apocalyptic number.

It is an amenable number.

22012202232 is an abundant number, since it is smaller than the sum of its proper divisors (37604179008).

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

22012202232 is a wasteful number, since it uses less digits than its factorization.

22012202232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305725043 (or 305725036 counting only the distinct ones).

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

Adding to 22012202232 its reverse (23220221022), we get a palindrome (45232423254).

The spelling of 22012202232 in words is "twenty-two billion, twelve million, two hundred two thousand, two hundred thirty-two".