22151669794 has 16 divisors (see below), whose sum is σ = 34686558720. Its totient is φ = 10589883040.

The previous prime is 22151669791. The next prime is 22151669797. The reversal of 22151669794 is 49796615122.

It is an interprime number because it is at equal distance from previous prime (22151669791) and next prime (22151669797).

It is not an unprimeable number, because it can be changed into a prime (22151669791) 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, 13647 + ... + 210925.

It is an arithmetic number, because the mean of its divisors is an integer number (2167909920).

Almost surely, 2^22151669794 is an apocalyptic number.

22151669794 is a deficient number, since it is larger than the sum of its proper divisors (12534888926).

22151669794 is a wasteful number, since it uses less digits than its factorization.

22151669794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199745.

The product of its digits is 1632960, while the sum is 52.

The spelling of 22151669794 in words is "twenty-two billion, one hundred fifty-one million, six hundred sixty-nine thousand, seven hundred ninety-four".