22432994 has 8 divisors (see below), whose sum is σ = 34201308. Its totient is φ = 11032560.

The previous prime is 22432987. The next prime is 22432997. The reversal of 22432994 is 49923422.

It can be written as a sum of positive squares in 2 ways, for example, as 22420225 + 12769 = 4735^2 + 113^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22432997) 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, 91817 + ... + 92060.

Almost surely, 2^22432994 is an apocalyptic number.

22432994 is a deficient number, since it is larger than the sum of its proper divisors (11768314).

22432994 is a wasteful number, since it uses less digits than its factorization.

22432994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183940.

The product of its digits is 31104, while the sum is 35.

The square root of 22432994 is about 4736.3481713236. The cubic root of 22432994 is about 282.0302852976.

The spelling of 22432994 in words is "twenty-two million, four hundred thirty-two thousand, nine hundred ninety-four".