22244636232 has 768 divisors, whose sum is σ = 83349504000. Its totient is φ = 5431878144.

The previous prime is 22244636111. The next prime is 22244636233. The reversal of 22244636232 is 23263644222.

22244636232 is a `hidden beast` number, since 2 + 2 + 24 + 4 + 6 + 3 + 623 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22244636233) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 175154553 + ... + 175154679.

It is an arithmetic number, because the mean of its divisors is an integer number (108528000).

Almost surely, 2^22244636232 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 22244636232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41674752000).

22244636232 is an abundant number, since it is smaller than the sum of its proper divisors (61104867768).

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

22244636232 is a wasteful number, since it uses less digits than its factorization.

22244636232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 238 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The spelling of 22244636232 in words is "twenty-two billion, two hundred forty-four million, six hundred thirty-six thousand, two hundred thirty-two".