27223331 has 2 divisors, whose sum is σ = 27223332. Its totient is φ = 27223330.

The previous prime is 27223309. The next prime is 27223381. The reversal of 27223331 is 13332272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27223331 - 2⁶ = 27223267 is a prime.

It is a super-2 number, since 2×27223331² = 1482219501471122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27223297 and 27223306.

It is not a weakly prime, because it can be changed into another prime (27223381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13611665 + 13611666.

It is an arithmetic number, because the mean of its divisors is an integer number (13611666).

Almost surely, 2^27223331 is an apocalyptic number.

27223331 is a deficient number, since it is larger than the sum of its proper divisors (1).

27223331 is an equidigital number, since it uses as much as digits as its factorization.

27223331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 23.

The square root of 27223331 is about 5217.5982022383. The cubic root of 27223331 is about 300.8248816738.

The spelling of 27223331 in words is "twenty-seven million, two hundred twenty-three thousand, three hundred thirty-one".