22144320102 has 16 divisors (see below), whose sum is σ = 44585881200. Its totient is φ = 7331899872.

The previous prime is 22144320091. The next prime is 22144320103. The reversal of 22144320102 is 20102344122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144320103) 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, 12384073 + ... + 12385860.

It is an arithmetic number, because the mean of its divisors is an integer number (2786617575).

Almost surely, 2^22144320102 is an apocalyptic number.

22144320102 is an abundant number, since it is smaller than the sum of its proper divisors (22441561098).

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

22144320102 is a wasteful number, since it uses less digits than its factorization.

22144320102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24770087.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22144320102 its reverse (20102344122), we get a palindrome (42246664224).

The spelling of 22144320102 in words is "twenty-two billion, one hundred forty-four million, three hundred twenty thousand, one hundred two".