22541880 has 64 divisors (see below), whose sum is σ = 69467040. Its totient is φ = 5847552.

The previous prime is 22541837. The next prime is 22541891. The reversal of 22541880 is 8814522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902 + ... + 6978.

Almost surely, 2^22541880 is an apocalyptic number.

22541880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22541880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34733520).

22541880 is an abundant number, since it is smaller than the sum of its proper divisors (46925160).

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

22541880 is a wasteful number, since it uses less digits than its factorization.

22541880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128 (or 5124 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 22541880 is about 4747.8289775433. The cubic root of 22541880 is about 282.4858582735.

The spelling of 22541880 in words is "twenty-two million, five hundred forty-one thousand, eight hundred eighty".