22461960 has 64 divisors (see below), whose sum is σ = 69220800. Its totient is φ = 5826816.

The previous prime is 22461941. The next prime is 22461977. The reversal of 22461960 is 6916422.

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, 1911 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (1081575).

Almost surely, 2^22461960 is an apocalyptic number.

22461960 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 22461960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34610400).

22461960 is an abundant number, since it is smaller than the sum of its proper divisors (46758840).

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

22461960 is a wasteful number, since it uses less digits than its factorization.

22461960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110 (or 5106 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 22461960 is about 4739.4050259500. The cubic root of 22461960 is about 282.1516210949.

The spelling of 22461960 in words is "twenty-two million, four hundred sixty-one thousand, nine hundred sixty".