22450842 has 12 divisors (see below), whose sum is σ = 48643530. Its totient is φ = 7483608.

The previous prime is 22450817. The next prime is 22450849. The reversal of 22450842 is 24805422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14447601 + 8003241 = 3801^2 + 2829^2 .

It is not an unprimeable number, because it can be changed into a prime (22450849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623617 + ... + 623652.

Almost surely, 2^22450842 is an apocalyptic number.

22450842 is an abundant number, since it is smaller than the sum of its proper divisors (26192688).

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

22450842 is a wasteful number, since it uses less digits than its factorization.

22450842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247277 (or 1247274 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 22450842 is about 4738.2319487336. The cubic root of 22450842 is about 282.1050612009.

The spelling of 22450842 in words is "twenty-two million, four hundred fifty thousand, eight hundred forty-two".