22142996 has 6 divisors (see below), whose sum is σ = 38750250. Its totient is φ = 11071496.

The previous prime is 22142987. The next prime is 22143001. The reversal of 22142996 is 69924122.

It can be written as a sum of positive squares in only one way, i.e., 19678096 + 2464900 = 4436^2 + 1570^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2767871 + ... + 2767878.

It is an arithmetic number, because the mean of its divisors is an integer number (6458375).

Almost surely, 2^22142996 is an apocalyptic number.

It is an amenable number.

22142996 is a deficient number, since it is larger than the sum of its proper divisors (16607254).

22142996 is a wasteful number, since it uses less digits than its factorization.

22142996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535753 (or 5535751 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 22142996 is about 4705.6344949433. The cubic root of 22142996 is about 280.8097140061.

The spelling of 22142996 in words is "twenty-two million, one hundred forty-two thousand, nine hundred ninety-six".