69922144 has 24 divisors (see below), whose sum is σ = 137856600. Its totient is φ = 34910976.

The previous prime is 69922141. The next prime is 69922157. The reversal of 69922144 is 44122996.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69922141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32527 + ... + 34609.

It is an arithmetic number, because the mean of its divisors is an integer number (5744025).

Almost surely, 2^69922144 is an apocalyptic number.

It is an amenable number.

69922144 is a deficient number, since it is larger than the sum of its proper divisors (67934456).

69922144 is a wasteful number, since it uses less digits than its factorization.

69922144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142 (or 3134 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 69922144 is about 8361.9461849500. The cubic root of 69922144 is about 411.9756795899.

The spelling of 69922144 in words is "sixty-nine million, nine hundred twenty-two thousand, one hundred forty-four".