27221080 has 32 divisors (see below), whose sum is σ = 64851840. Its totient is φ = 10247680.

The previous prime is 27221059. The next prime is 27221087. The reversal of 27221080 is 8012272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27221087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19336 + ... + 20695.

It is an arithmetic number, because the mean of its divisors is an integer number (2026620).

Almost surely, 2^27221080 is an apocalyptic number.

27221080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27221080 is an abundant number, since it is smaller than the sum of its proper divisors (37630760).

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

27221080 is a wasteful number, since it uses less digits than its factorization.

27221080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40059 (or 40055 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 27221080 is about 5217.3824854998. The cubic root of 27221080 is about 300.8165900670.

The spelling of 27221080 in words is "twenty-seven million, two hundred twenty-one thousand, eighty".