22213187910 has 96 divisors (see below), whose sum is σ = 60030603360. Its totient is φ = 5693912064.

The previous prime is 22213187897. The next prime is 22213187933. The reversal of 22213187910 is 1978131222.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 236206 + ... + 316574.

It is an arithmetic number, because the mean of its divisors is an integer number (625318785).

Almost surely, 2^22213187910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22213187910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30015301680).

22213187910 is an abundant number, since it is smaller than the sum of its proper divisors (37817415450).

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

22213187910 is a wasteful number, since it uses less digits than its factorization.

22213187910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80502 (or 80499 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 22213187910 in words is "twenty-two billion, two hundred thirteen million, one hundred eighty-seven thousand, nine hundred ten".