22502434 has 8 divisors (see below), whose sum is σ = 34917660. Its totient is φ = 10863216.

The previous prime is 22502429. The next prime is 22502437. The reversal of 22502434 is 43420522.

It can be written as a sum of positive squares in 2 ways, for example, as 19829209 + 2673225 = 4453^2 + 1635^2 .

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 (22502437) 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, 193929 + ... + 194044.

Almost surely, 2^22502434 is an apocalyptic number.

22502434 is a deficient number, since it is larger than the sum of its proper divisors (12415226).

22502434 is a wasteful number, since it uses less digits than its factorization.

22502434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388004.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 22502434 is about 4743.6730494418. The cubic root of 22502434 is about 282.3209882159.

Adding to 22502434 its reverse (43420522), we get a palindrome (65922956).

The spelling of 22502434 in words is "twenty-two million, five hundred two thousand, four hundred thirty-four".