22894690 has 64 divisors (see below), whose sum is σ = 51367680. Its totient is φ = 7153920.

The previous prime is 22894673. The next prime is 22894693. The reversal of 22894690 is 9649822.

It is a super-2 number, since 2×22894690² = 1048333660392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22894693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126400 + ... + 126580.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^22894690 is an apocalyptic number.

22894690 is an abundant number, since it is smaller than the sum of its proper divisors (28472990).

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

22894690 is a wasteful number, since it uses less digits than its factorization.

22894690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 22894690 is about 4784.8396002374. The cubic root of 22894690 is about 283.9519938033.

The spelling of 22894690 in words is "twenty-two million, eight hundred ninety-four thousand, six hundred ninety".