22254992 has 10 divisors (see below), whose sum is σ = 43119078. Its totient is φ = 11127488.

The previous prime is 22254983. The next prime is 22254997. The reversal of 22254992 is 29945222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13868176 + 8386816 = 3724^2 + 2896^2 .

It is not an unprimeable number, because it can be changed into a prime (22254997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695453 + ... + 695484.

Almost surely, 2^22254992 is an apocalyptic number.

It is an amenable number.

22254992 is a deficient number, since it is larger than the sum of its proper divisors (20864086).

22254992 is a wasteful number, since it uses less digits than its factorization.

22254992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390945 (or 1390939 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 22254992 is about 4717.5196872933. The cubic root of 22254992 is about 281.2823493984.

The spelling of 22254992 in words is "twenty-two million, two hundred fifty-four thousand, nine hundred ninety-two".