22431432030 has 128 divisors (see below), whose sum is σ = 63377842176. Its totient is φ = 4974480000.

The previous prime is 22431432007. The next prime is 22431432083. The reversal of 22431432030 is 3023413422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1355305 + ... + 1371755.

It is an arithmetic number, because the mean of its divisors is an integer number (495139392).

Almost surely, 2^22431432030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22431432030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31688921088).

22431432030 is an abundant number, since it is smaller than the sum of its proper divisors (40946410146).

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

22431432030 is a wasteful number, since it uses less digits than its factorization.

22431432030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16662.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22431432030 its reverse (3023413422), we get a palindrome (25454845452).

The spelling of 22431432030 in words is "twenty-two billion, four hundred thirty-one million, four hundred thirty-two thousand, thirty".