22490396 has 6 divisors (see below), whose sum is σ = 39358200. Its totient is φ = 11245196.

The previous prime is 22490381. The next prime is 22490401. The reversal of 22490396 is 69309422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2811296 + ... + 2811303.

It is an arithmetic number, because the mean of its divisors is an integer number (6559700).

Almost surely, 2^22490396 is an apocalyptic number.

It is an amenable number.

22490396 is a deficient number, since it is larger than the sum of its proper divisors (16867804).

22490396 is a wasteful number, since it uses less digits than its factorization.

22490396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622603 (or 5622601 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 22490396 is about 4742.4040317122. The cubic root of 22490396 is about 282.2706353478.

The spelling of 22490396 in words is "twenty-two million, four hundred ninety thousand, three hundred ninety-six".