22790913 has 8 divisors (see below), whose sum is σ = 30683328. Its totient is φ = 15046224.

The previous prime is 22790879. The next prime is 22790917. The reversal of 22790913 is 31909722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22790913 - 2²² = 18596609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22790917) 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 in 7 ways as a sum of consecutive naturals, for example, 36570 + ... + 37187.

It is an arithmetic number, because the mean of its divisors is an integer number (3835416).

Almost surely, 2^22790913 is an apocalyptic number.

It is an amenable number.

22790913 is a deficient number, since it is larger than the sum of its proper divisors (7892415).

22790913 is a wasteful number, since it uses less digits than its factorization.

22790913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73863.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 22790913 is about 4773.9829283314. The cubic root of 22790913 is about 283.5223116047.

The spelling of 22790913 in words is "twenty-two million, seven hundred ninety thousand, nine hundred thirteen".