239922297 has 8 divisors (see below), whose sum is σ = 355440480. Its totient is φ = 159948180.

The previous prime is 239922281. The next prime is 239922313. The reversal of 239922297 is 792229932.

It is an interprime number because it is at equal distance from previous prime (239922281) and next prime (239922313).

It is not a de Polignac number, because 239922297 - 2⁴ = 239922281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (239922217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4442979 + ... + 4443032.

It is an arithmetic number, because the mean of its divisors is an integer number (44430060).

Almost surely, 2^239922297 is an apocalyptic number.

239922297 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

239922297 is a deficient number, since it is larger than the sum of its proper divisors (115518183).

239922297 is an equidigital number, since it uses as much as digits as its factorization.

239922297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8886020 (or 8886014 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 239922297 is about 15489.4253282683. The cubic root of 239922297 is about 621.3794269273.

The spelling of 239922297 in words is "two hundred thirty-nine million, nine hundred twenty-two thousand, two hundred ninety-seven".