22404705 has 32 divisors (see below), whose sum is σ = 38092800. Its totient is φ = 11212992.

The previous prime is 22404703. The next prime is 22404709. The reversal of 22404705 is 50740422.

It is not a de Polignac number, because 22404705 - 2¹ = 22404703 is a prime.

It is a super-2 number, since 2×22404705² = 1003941612274050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22404703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35886 + ... + 36504.

It is an arithmetic number, because the mean of its divisors is an integer number (1190400).

Almost surely, 2^22404705 is an apocalyptic number.

It is an amenable number.

22404705 is a deficient number, since it is larger than the sum of its proper divisors (15688095).

22404705 is a wasteful number, since it uses less digits than its factorization.

22404705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 22404705 is about 4733.3608567275. The cubic root of 22404705 is about 281.9116845322.

The spelling of 22404705 in words is "twenty-two million, four hundred four thousand, seven hundred five".