27224045 has 32 divisors (see below), whose sum is σ = 35721216. Its totient is φ = 19872000.

The previous prime is 27224039. The next prime is 27224077. The reversal of 27224045 is 54042272.

It is not a de Polignac number, because 27224045 - 2⁶ = 27223981 is a prime.

It is a super-2 number, since 2×27224045² = 1482297252324050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269495 + ... + 269595.

It is an arithmetic number, because the mean of its divisors is an integer number (1116288).

Almost surely, 2^27224045 is an apocalyptic number.

It is an amenable number.

27224045 is a deficient number, since it is larger than the sum of its proper divisors (8497171).

27224045 is a wasteful number, since it uses less digits than its factorization.

27224045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 27224045 is about 5217.6666240763. Note that the first 4 decimals coincide. The cubic root of 27224045 is about 300.8275116127.

The spelling of 27224045 in words is "twenty-seven million, two hundred twenty-four thousand, forty-five".