22789390 has 16 divisors (see below), whose sum is σ = 44176608. Its totient is φ = 8414496.

The previous prime is 22789369. The next prime is 22789391. The reversal of 22789390 is 9398722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22789391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87522 + ... + 87781.

It is an arithmetic number, because the mean of its divisors is an integer number (2761038).

Almost surely, 2^22789390 is an apocalyptic number.

22789390 is a deficient number, since it is larger than the sum of its proper divisors (21387218).

22789390 is a wasteful number, since it uses less digits than its factorization.

22789390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175323.

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

The square root of 22789390 is about 4773.8234152511. The cubic root of 22789390 is about 283.5159960159.

The spelling of 22789390 in words is "twenty-two million, seven hundred eighty-nine thousand, three hundred ninety".