22405532432 has 160 divisors (see below), whose sum is σ = 49370840064. Its totient is φ = 9792921600.

The previous prime is 22405532411. The next prime is 22405532453. The reversal of 22405532432 is 23423550422.

It is an interprime number because it is at equal distance from previous prime (22405532411) and next prime (22405532453).

It is a super-2 number, since 2×22405532432² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 53219582 + ... + 53220002.

Almost surely, 2^22405532432 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 22405532432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24685420032).

22405532432 is an abundant number, since it is smaller than the sum of its proper divisors (26965307632).

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

22405532432 is a wasteful number, since it uses less digits than its factorization.

22405532432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 22405532432 in words is "twenty-two billion, four hundred five million, five hundred thirty-two thousand, four hundred thirty-two".