22770560 has 64 divisors (see below), whose sum is σ = 55667520. Its totient is φ = 8902656.

The previous prime is 22770547. The next prime is 22770571. The reversal of 22770560 is 6507722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent 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, 29702 + ... + 30458.

It is an arithmetic number, because the mean of its divisors is an integer number (869805).

Almost surely, 2^22770560 is an apocalyptic number.

22770560 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 22770560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27833760).

22770560 is an abundant number, since it is smaller than the sum of its proper divisors (32896960).

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

22770560 is an equidigital number, since it uses as much as digits as its factorization.

22770560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 22770560 is about 4771.8507939792. The cubic root of 22770560 is about 283.4378883638.

The spelling of 22770560 in words is "twenty-two million, seven hundred seventy thousand, five hundred sixty".