22304994 has 8 divisors (see below), whose sum is σ = 44610000. Its totient is φ = 7434996.

The previous prime is 22304987. The next prime is 22304999. The reversal of 22304994 is 49940322.

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

22304994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22304999) by changing a digit.

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, 1858744 + ... + 1858755.

It is an arithmetic number, because the mean of its divisors is an integer number (5576250).

Almost surely, 2^22304994 is an apocalyptic number.

22304994 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.

22304994 is a wasteful number, since it uses less digits than its factorization.

22304994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717504.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 22304994 is about 4722.8163207984. The cubic root of 22304994 is about 281.4928513802.

The spelling of 22304994 in words is "twenty-two million, three hundred four thousand, nine hundred ninety-four".