22790386 has 16 divisors (see below), whose sum is σ = 36108000. Its totient is φ = 10758528.

The previous prime is 22790357. The next prime is 22790507. The reversal of 22790386 is 68309722.

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 in 7 ways as a sum of consecutive naturals, for example, 12565 + ... + 14263.

It is an arithmetic number, because the mean of its divisors is an integer number (2256750).

Almost surely, 2^22790386 is an apocalyptic number.

22790386 is a deficient number, since it is larger than the sum of its proper divisors (13317614).

22790386 is a wasteful number, since it uses less digits than its factorization.

22790386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 22790386 is about 4773.9277330098. The cubic root of 22790386 is about 283.5201262686.

The spelling of 22790386 in words is "twenty-two million, seven hundred ninety thousand, three hundred eighty-six".