22641430 has 80 divisors (see below), whose sum is σ = 50821344. Its totient is φ = 7244160.

The previous prime is 22641419. The next prime is 22641457. The reversal of 22641430 is 3414622.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 552210 + ... + 552250.

Almost surely, 2^22641430 is an apocalyptic number.

22641430 is an abundant number, since it is smaller than the sum of its proper divisors (28179914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22641430 is an equidigital number, since it uses as much as digits as its factorization.

22641430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22641430 is about 4758.3011674336. The cubic root of 22641430 is about 282.9010879342.

The spelling of 22641430 in words is "twenty-two million, six hundred forty-one thousand, four hundred thirty".