22031200230 has 32 divisors (see below), whose sum is σ = 56942180064. Its totient is φ = 5423064576.

The previous prime is 22031200229. The next prime is 22031200271. The reversal of 22031200230 is 3200213022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28244739 + ... + 28245518.

It is an arithmetic number, because the mean of its divisors is an integer number (1779443127).

Almost surely, 2^22031200230 is an apocalyptic number.

22031200230 is an abundant number, since it is smaller than the sum of its proper divisors (34910979834).

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

22031200230 is a wasteful number, since it uses less digits than its factorization.

22031200230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56490280.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22031200230 its reverse (3200213022), we get a palindrome (25231413252).

The spelling of 22031200230 in words is "twenty-two billion, thirty-one million, two hundred thousand, two hundred thirty".