22441542 has 16 divisors (see below), whose sum is σ = 45081840. Its totient is φ = 7447392.

The previous prime is 22441541. The next prime is 22441543. The reversal of 22441542 is 24514422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22441541) and next prime (22441543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22441541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6793 + ... + 9540.

It is an arithmetic number, because the mean of its divisors is an integer number (2817615).

Almost surely, 2^22441542 is an apocalyptic number.

22441542 is an abundant number, since it is smaller than the sum of its proper divisors (22640298).

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

22441542 is a wasteful number, since it uses less digits than its factorization.

22441542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16567.

The product of its digits is 2560, while the sum is 24.

The square root of 22441542 is about 4737.2504683624. The cubic root of 22441542 is about 282.0661029083.

Adding to 22441542 its reverse (24514422), we get a palindrome (46955964).

The spelling of 22441542 in words is "twenty-two million, four hundred forty-one thousand, five hundred forty-two".