27220090 has 16 divisors (see below), whose sum is σ = 49728672. Its totient is φ = 10725264.

The previous prime is 27220079. The next prime is 27220093. The reversal of 27220090 is 9002272.

It is not an unprimeable number, because it can be changed into a prime (27220093) 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, 19644 + ... + 20983.

It is an arithmetic number, because the mean of its divisors is an integer number (3108042).

Almost surely, 2^27220090 is an apocalyptic number.

27220090 is a deficient number, since it is larger than the sum of its proper divisors (22508582).

27220090 is a wasteful number, since it uses less digits than its factorization.

27220090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40701.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 27220090 is about 5217.2876094768. The cubic root of 27220090 is about 300.8129432360.

The spelling of 27220090 in words is "twenty-seven million, two hundred twenty thousand, ninety".