22129890702 has 24 divisors (see below), whose sum is σ = 45733584168. Its totient is φ = 7138672560.

The previous prime is 22129890689. The next prime is 22129890707. The reversal of 22129890702 is 20709892122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22129890707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1913233 + ... + 1924764.

It is an arithmetic number, because the mean of its divisors is an integer number (1905566007).

Almost surely, 2^22129890702 is an apocalyptic number.

22129890702 is an abundant number, since it is smaller than the sum of its proper divisors (23603693466).

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

22129890702 is a wasteful number, since it uses less digits than its factorization.

22129890702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838064 (or 3838033 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 22129890702 in words is "twenty-two billion, one hundred twenty-nine million, eight hundred ninety thousand, seven hundred two".