27222329 has 6 divisors (see below), whose sum is σ = 28194270. Its totient is φ = 26282816.

The previous prime is 27222313. The next prime is 27222347. The reversal of 27222329 is 92322272.

It can be written as a sum of positive squares in 3 ways, for example, as 462400 + 26759929 = 680^2 + 5173^2 .

It is not a de Polignac number, because 27222329 - 2⁴ = 27222313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27225329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15344 + ... + 17025.

It is an arithmetic number, because the mean of its divisors is an integer number (4699045).

Almost surely, 2^27222329 is an apocalyptic number.

27222329 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

27222329 is a deficient number, since it is larger than the sum of its proper divisors (971941).

27222329 is an equidigital number, since it uses as much as digits as its factorization.

27222329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32427 (or 32398 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 27222329 is about 5217.5021801625. The cubic root of 27222329 is about 300.8211908417.

The spelling of 27222329 in words is "twenty-seven million, two hundred twenty-two thousand, three hundred twenty-nine".