22400032430 has 16 divisors (see below), whose sum is σ = 40420614384. Its totient is φ = 8937667200.

The previous prime is 22400032427. The next prime is 22400032433. The reversal of 22400032430 is 3423000422.

It is an interprime number because it is at equal distance from previous prime (22400032427) and next prime (22400032433).

It is a super-2 number, since 2×22400032430² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400032433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2789012 + ... + 2797031.

It is an arithmetic number, because the mean of its divisors is an integer number (2526288399).

Almost surely, 2^22400032430 is an apocalyptic number.

22400032430 is a deficient number, since it is larger than the sum of its proper divisors (18020581954).

22400032430 is a wasteful number, since it uses less digits than its factorization.

22400032430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586451.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22400032430 its reverse (3423000422), we get a palindrome (25823032852).

The spelling of 22400032430 in words is "twenty-two billion, four hundred million, thirty-two thousand, four hundred thirty".