22044894 has 8 divisors (see below), whose sum is σ = 44089800. Its totient is φ = 7348296.

The previous prime is 22044887. The next prime is 22044907. The reversal of 22044894 is 49844022.

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

22044894 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837069 + ... + 1837080.

It is an arithmetic number, because the mean of its divisors is an integer number (5511225).

Almost surely, 2^22044894 is an apocalyptic number.

22044894 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.

22044894 is a wasteful number, since it uses less digits than its factorization.

22044894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674154.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 22044894 is about 4695.1990373146. The cubic root of 22044894 is about 280.3944016769.

The spelling of 22044894 in words is "twenty-two million, forty-four thousand, eight hundred ninety-four".