22400031032 has 8 divisors (see below), whose sum is σ = 42000058200. Its totient is φ = 11200015512.

The previous prime is 22400031001. The next prime is 22400031091. The reversal of 22400031032 is 23013000422.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22400031032² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22400031032.

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 as a sum of consecutive naturals, namely, 1400001932 + ... + 1400001947.

It is an arithmetic number, because the mean of its divisors is an integer number (5250007275).

Almost surely, 2^22400031032 is an apocalyptic number.

It is an amenable number.

22400031032 is a deficient number, since it is larger than the sum of its proper divisors (19600027168).

22400031032 is a wasteful number, since it uses less digits than its factorization.

22400031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800003885 (or 2800003881 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22400031032 its reverse (23013000422), we get a palindrome (45413031454).

The spelling of 22400031032 in words is "twenty-two billion, four hundred million, thirty-one thousand, thirty-two".