22785998 has 8 divisors (see below), whose sum is σ = 34481808. Its totient is φ = 11292064.

The previous prime is 22785989. The next prime is 22786007. The reversal of 22785998 is 89958722.

It is an interprime number because it is at equal distance from previous prime (22785989) and next prime (22786007).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50186 + ... + 50637.

It is an arithmetic number, because the mean of its divisors is an integer number (4310226).

Almost surely, 2^22785998 is an apocalyptic number.

22785998 is a deficient number, since it is larger than the sum of its proper divisors (11695810).

22785998 is a wasteful number, since it uses less digits than its factorization.

22785998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100938.

The product of its digits is 725760, while the sum is 50.

The square root of 22785998 is about 4773.4681312438. The cubic root of 22785998 is about 283.5019290316.

The spelling of 22785998 in words is "twenty-two million, seven hundred eighty-five thousand, nine hundred ninety-eight".