27222960 has 80 divisors (see below), whose sum is σ = 87137280. Its totient is φ = 7023360.

The previous prime is 27222947. The next prime is 27222977. The reversal of 27222960 is 6922272.

It is a tau number, because it is divible by the number of its divisors (80).

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

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, 5611 + ... + 9269.

It is an arithmetic number, because the mean of its divisors is an integer number (1089216).

Almost surely, 2^27222960 is an apocalyptic number.

27222960 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 27222960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43568640).

27222960 is an abundant number, since it is smaller than the sum of its proper divisors (59914320).

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

27222960 is a wasteful number, since it uses less digits than its factorization.

27222960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 27222960 is about 5217.5626493603. The cubic root of 27222960 is about 300.8235151188.

It can be divided in two parts, 27222 and 960, that added together give a palindrome (28182).

The spelling of 27222960 in words is "twenty-seven million, two hundred twenty-two thousand, nine hundred sixty".