22790398 has 16 divisors (see below), whose sum is σ = 34725600. Its totient is φ = 11216736.

The previous prime is 22790357. The next prime is 22790507. The reversal of 22790398 is 89309722.

It is a super-3 number, since 3×22790398³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22790398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65128 + ... + 65476.

It is an arithmetic number, because the mean of its divisors is an integer number (2170350).

Almost surely, 2^22790398 is an apocalyptic number.

22790398 is a deficient number, since it is larger than the sum of its proper divisors (11935202).

22790398 is a wasteful number, since it uses less digits than its factorization.

22790398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 22790398 is about 4773.9289898364. The cubic root of 22790398 is about 283.5201760300.

The spelling of 22790398 in words is "twenty-two million, seven hundred ninety thousand, three hundred ninety-eight".