22449807 has 6 divisors (see below), whose sum is σ = 32427512. Its totient is φ = 14966532.

The previous prime is 22449803. The next prime is 22449829. The reversal of 22449807 is 70894422.

It is not a de Polignac number, because 22449807 - 2² = 22449803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22449803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1247203 + ... + 1247220.

Almost surely, 2^22449807 is an apocalyptic number.

22449807 is a deficient number, since it is larger than the sum of its proper divisors (9977705).

22449807 is a wasteful number, since it uses less digits than its factorization.

22449807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494429 (or 2494426 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 22449807 is about 4738.1227295206. The cubic root of 22449807 is about 282.1007260520.

The spelling of 22449807 in words is "twenty-two million, four hundred forty-nine thousand, eight hundred seven".