22123031010 has 32 divisors (see below), whose sum is σ = 53110838592. Its totient is φ = 5897745600.

The previous prime is 22123030981. The next prime is 22123031017. The reversal of 22123031010 is 1013032122.

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

It is not an unprimeable number, because it can be changed into a prime (22123031017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2341 + ... + 210360.

It is an arithmetic number, because the mean of its divisors is an integer number (1659713706).

Almost surely, 2^22123031010 is an apocalyptic number.

22123031010 is an abundant number, since it is smaller than the sum of its proper divisors (30987807582).

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

22123031010 is a wasteful number, since it uses less digits than its factorization.

22123031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216178.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22123031010 its reverse (1013032122), we get a palindrome (23136063132).

The spelling of 22123031010 in words is "twenty-two billion, one hundred twenty-three million, thirty-one thousand, ten".