22404722 has 8 divisors (see below), whose sum is σ = 34067676. Its totient is φ = 11048832.

The previous prime is 22404709. The next prime is 22404727. The reversal of 22404722 is 22740422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19545241 + 2859481 = 4421^2 + 1691^2 .

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 (22404727) 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, 76583 + ... + 76874.

Almost surely, 2^22404722 is an apocalyptic number.

22404722 is a deficient number, since it is larger than the sum of its proper divisors (11662954).

22404722 is a wasteful number, since it uses less digits than its factorization.

22404722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153532.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 22404722 is about 4733.3626524914. The cubic root of 22404722 is about 281.9117558341.

The spelling of 22404722 in words is "twenty-two million, four hundred four thousand, seven hundred twenty-two".