22541144 has 32 divisors (see below), whose sum is σ = 45586800. Its totient is φ = 10414080.

The previous prime is 22541143. The next prime is 22541171. The reversal of 22541144 is 44114522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22541143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4424 + ... + 8040.

Almost surely, 2^22541144 is an apocalyptic number.

It is an amenable number.

22541144 is an abundant number, since it is smaller than the sum of its proper divisors (23045656).

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

22541144 is a wasteful number, since it uses less digits than its factorization.

22541144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683 (or 3679 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 22541144 is about 4747.7514678003. The cubic root of 22541144 is about 282.4827838204.

Adding to 22541144 its reverse (44114522), we get a palindrome (66655666).

The spelling of 22541144 in words is "twenty-two million, five hundred forty-one thousand, one hundred forty-four".