22422530 has 32 divisors (see below), whose sum is σ = 43760304. Its totient is φ = 8222976.

The previous prime is 22422529. The next prime is 22422553. The reversal of 22422530 is 3522422.

It can be written as a sum of positive squares in 8 ways, for example, as 15062161 + 7360369 = 3881^2 + 2713^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21992 + ... + 22988.

Almost surely, 2^22422530 is an apocalyptic number.

22422530 is a deficient number, since it is larger than the sum of its proper divisors (21337774).

22422530 is a wasteful number, since it uses less digits than its factorization.

22422530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22422530 is about 4735.2433939556. The cubic root of 22422530 is about 281.9864269241.

Adding to 22422530 its reverse (3522422), we get a palindrome (25944952).

The spelling of 22422530 in words is "twenty-two million, four hundred twenty-two thousand, five hundred thirty".