22040994 has 16 divisors (see below), whose sum is σ = 44347968. Its totient is φ = 7302672.

The previous prime is 22040981. The next prime is 22041001. The reversal of 22040994 is 49904022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9997 + ... + 12000.

It is an arithmetic number, because the mean of its divisors is an integer number (2771748).

Almost surely, 2^22040994 is an apocalyptic number.

22040994 is an abundant number, since it is smaller than the sum of its proper divisors (22306974).

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

22040994 is a wasteful number, since it uses less digits than its factorization.

22040994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22169.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 22040994 is about 4694.7837010878. The cubic root of 22040994 is about 280.3778656835.

It can be divided in two parts, 220 and 40994, that added together give a palindrome (41214).

The spelling of 22040994 in words is "twenty-two million, forty thousand, nine hundred ninety-four".