22769490 has 32 divisors (see below), whose sum is σ = 54835776. Its totient is φ = 6050880.

The previous prime is 22769447. The next prime is 22769491. The reversal of 22769490 is 9496722.

It is not an unprimeable number, because it can be changed into a prime (22769491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8784 + ... + 11076.

It is an arithmetic number, because the mean of its divisors is an integer number (1713618).

Almost surely, 2^22769490 is an apocalyptic number.

22769490 is an abundant number, since it is smaller than the sum of its proper divisors (32066286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22769490 is a wasteful number, since it uses less digits than its factorization.

22769490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 22769490 is about 4771.7386768347. The cubic root of 22769490 is about 283.4334486649.

The spelling of 22769490 in words is "twenty-two million, seven hundred sixty-nine thousand, four hundred ninety".