27222890 has 16 divisors (see below), whose sum is σ = 49072608. Its totient is φ = 10873296.

The previous prime is 27222883. The next prime is 27222901. The reversal of 27222890 is 9822272.

It is a super-4 number, since 4×27222890⁴ (a number of 31 digits) contains 4444 as substring.

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, 7289 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (3067038).

Almost surely, 2^27222890 is an apocalyptic number.

27222890 is a deficient number, since it is larger than the sum of its proper divisors (21849718).

27222890 is a wasteful number, since it uses less digits than its factorization.

27222890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 27222890 is about 5217.5559412430. Note that the first 3 decimals coincide. The cubic root of 27222890 is about 300.8232572768.

The spelling of 27222890 in words is "twenty-seven million, two hundred twenty-two thousand, eight hundred ninety".