22770580 has 48 divisors (see below), whose sum is σ = 55996416. Its totient is φ = 7614720.

The previous prime is 22770571. The next prime is 22770589. The reversal of 22770580 is 8507722.

It is an interprime number because it is at equal distance from previous prime (22770571) and next prime (22770589).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22770589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3757 + ... + 7723.

It is an arithmetic number, because the mean of its divisors is an integer number (1166592).

Almost surely, 2^22770580 is an apocalyptic number.

22770580 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 22770580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27998208).

22770580 is an abundant number, since it is smaller than the sum of its proper divisors (33225836).

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

22770580 is a wasteful number, since it uses less digits than its factorization.

22770580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024 (or 4022 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 22770580 is about 4771.8528896017. The cubic root of 22770580 is about 283.4379713475.

It can be divided in two parts, 227 and 70580, that added together give a palindrome (70807).

The spelling of 22770580 in words is "twenty-two million, seven hundred seventy thousand, five hundred eighty".