22403400432 has 40 divisors (see below), whose sum is σ = 66143373696. Its totient is φ = 6400971456.

The previous prime is 22403400419. The next prime is 22403400463. The reversal of 22403400432 is 23400430422.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 in 7 ways as a sum of consecutive naturals, for example, 33338058 + ... + 33338729.

Almost surely, 2^22403400432 is an apocalyptic number.

It is an amenable number.

22403400432 is an abundant number, since it is smaller than the sum of its proper divisors (43739973264).

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

22403400432 is a wasteful number, since it uses less digits than its factorization.

22403400432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66676805 (or 66676799 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22403400432 its reverse (23400430422), we get a palindrome (45803830854).

The spelling of 22403400432 in words is "twenty-two billion, four hundred three million, four hundred thousand, four hundred thirty-two".