22453242 has 16 divisors (see below), whose sum is σ = 51321792. Its totient is φ = 6415200.

The previous prime is 22453229. The next prime is 22453259. The reversal of 22453242 is 24235422.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267259 + ... + 267342.

It is an arithmetic number, because the mean of its divisors is an integer number (3207612).

Almost surely, 2^22453242 is an apocalyptic number.

22453242 is an abundant number, since it is smaller than the sum of its proper divisors (28868550).

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

22453242 is a wasteful number, since it uses less digits than its factorization.

22453242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534613.

The product of its digits is 3840, while the sum is 24.

The square root of 22453242 is about 4738.4852009899. The cubic root of 22453242 is about 282.1151132073.

Adding to 22453242 its reverse (24235422), we get a palindrome (46688664).

The spelling of 22453242 in words is "twenty-two million, four hundred fifty-three thousand, two hundred forty-two".