22010312232 has 96 divisors (see below), whose sum is σ = 61670568960. Its totient is φ = 7084368000.

The previous prime is 22010312209. The next prime is 22010312243. The reversal of 22010312232 is 23221301022.

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1018257 + ... + 1039647.

It is an arithmetic number, because the mean of its divisors is an integer number (642401760).

Almost surely, 2^22010312232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22010312232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30835284480).

22010312232 is an abundant number, since it is smaller than the sum of its proper divisors (39660256728).

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

22010312232 is a wasteful number, since it uses less digits than its factorization.

22010312232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21895 (or 21888 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22010312232 its reverse (23221301022), we get a palindrome (45231613254).

The spelling of 22010312232 in words is "twenty-two billion, ten million, three hundred twelve thousand, two hundred thirty-two".