27223970 has 16 divisors (see below), whose sum is σ = 51886008. Its totient is φ = 10248960.

The previous prime is 27223967. The next prime is 27223981. The reversal of 27223970 is 7932272.

It can be written as a sum of positive squares in 4 ways, for example, as 24730729 + 2493241 = 4973^2 + 1579^2 .

It is a super-2 number, since 2×27223970² = 1482289085121800, which contains 22 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, 79901 + ... + 80240.

Almost surely, 2^27223970 is an apocalyptic number.

27223970 is a deficient number, since it is larger than the sum of its proper divisors (24662038).

27223970 is a wasteful number, since it uses less digits than its factorization.

27223970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160165.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 27223970 is about 5217.6594369506. The cubic root of 27223970 is about 300.8272353607.

It can be divided in two parts, 272 and 23970, that added together give a palindrome (24242).

The spelling of 27223970 in words is "twenty-seven million, two hundred twenty-three thousand, nine hundred seventy".