22390952 has 8 divisors (see below), whose sum is σ = 41983050. Its totient is φ = 11195472.

The previous prime is 22390939. The next prime is 22390969. The reversal of 22390952 is 25909322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21031396 + 1359556 = 4586^2 + 1166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 1399427 + ... + 1399442.

Almost surely, 2^22390952 is an apocalyptic number.

It is an amenable number.

22390952 is a deficient number, since it is larger than the sum of its proper divisors (19592098).

22390952 is a wasteful number, since it uses less digits than its factorization.

22390952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798875 (or 2798871 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 22390952 is about 4731.9078604723. The cubic root of 22390952 is about 281.8539894337.

The spelling of 22390952 in words is "twenty-two million, three hundred ninety thousand, nine hundred fifty-two".