22404842 has 8 divisors (see below), whose sum is σ = 33821796. Its totient is φ = 11130912.

The previous prime is 22404803. The next prime is 22404859. The reversal of 22404842 is 24840422.

It can be written as a sum of positive squares in 2 ways, for example, as 20967241 + 1437601 = 4579^2 + 1199^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35363 + ... + 35990.

Almost surely, 2^22404842 is an apocalyptic number.

22404842 is a deficient number, since it is larger than the sum of its proper divisors (11416954).

22404842 is a wasteful number, since it uses less digits than its factorization.

22404842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71512.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 22404842 is about 4733.3753284522. The cubic root of 22404842 is about 281.9122591410.

The spelling of 22404842 in words is "twenty-two million, four hundred four thousand, eight hundred forty-two".