22494842 has 8 divisors (see below), whose sum is σ = 35727156. Its totient is φ = 10585792.

The previous prime is 22494817. The next prime is 22494847. The reversal of 22494842 is 24849422.

It can be written as a sum of positive squares in 2 ways, for example, as 21631801 + 863041 = 4651^2 + 929^2 .

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 (22494847) 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, 330773 + ... + 330840.

Almost surely, 2^22494842 is an apocalyptic number.

22494842 is a deficient number, since it is larger than the sum of its proper divisors (13232314).

22494842 is a wasteful number, since it uses less digits than its factorization.

22494842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661632.

The product of its digits is 36864, while the sum is 35.

The square root of 22494842 is about 4742.8727581499. The cubic root of 22494842 is about 282.2892342875.

The spelling of 22494842 in words is "twenty-two million, four hundred ninety-four thousand, eight hundred forty-two".