22502994 has 8 divisors (see below), whose sum is σ = 45006000. Its totient is φ = 7500996.

The previous prime is 22502983. The next prime is 22502999. The reversal of 22502994 is 49920522.

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

22502994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22502999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875244 + ... + 1875255.

It is an arithmetic number, because the mean of its divisors is an integer number (5625750).

Almost surely, 2^22502994 is an apocalyptic number.

22502994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22502994 is a wasteful number, since it uses less digits than its factorization.

22502994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750504.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 22502994 is about 4743.7320750649. The cubic root of 22502994 is about 282.3233301617.

The spelling of 22502994 in words is "twenty-two million, five hundred two thousand, nine hundred ninety-four".