22740434 has 8 divisors (see below), whose sum is σ = 34670028. Its totient is φ = 11183760.

The previous prime is 22740427. The next prime is 22740439. The reversal of 22740434 is 43404722.

It can be written as a sum of positive squares in 2 ways, for example, as 18105025 + 4635409 = 4255^2 + 2153^2 .

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 (22740439) 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, 93077 + ... + 93320.

Almost surely, 2^22740434 is an apocalyptic number.

22740434 is a deficient number, since it is larger than the sum of its proper divisors (11929594).

22740434 is a wasteful number, since it uses less digits than its factorization.

22740434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186460.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 22740434 is about 4768.6931123737. The cubic root of 22740434 is about 283.3128348107.

The spelling of 22740434 in words is "twenty-two million, seven hundred forty thousand, four hundred thirty-four".