22405996 has 6 divisors (see below), whose sum is σ = 39210500. Its totient is φ = 11202996.

The previous prime is 22405993. The next prime is 22406023. The reversal of 22405996 is 69950422.

It is not an unprimeable number, because it can be changed into a prime (22405991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800746 + ... + 2800753.

Almost surely, 2^22405996 is an apocalyptic number.

It is an amenable number.

22405996 is a deficient number, since it is larger than the sum of its proper divisors (16804504).

22405996 is a wasteful number, since it uses less digits than its factorization.

22405996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601503 (or 5601501 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 22405996 is about 4733.4972272095. The cubic root of 22405996 is about 281.9170991835.

The spelling of 22405996 in words is "twenty-two million, four hundred five thousand, nine hundred ninety-six".