97022239 has 2 divisors, whose sum is σ = 97022240. Its totient is φ = 97022238.

The previous prime is 97022221. The next prime is 97022243. The reversal of 97022239 is 93222079.

It is a strong prime.

It is an emirp because it is prime and its reverse (93222079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97022239 - 2⁵ = 97022207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97022209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48511119 + 48511120.

It is an arithmetic number, because the mean of its divisors is an integer number (48511120).

Almost surely, 2^97022239 is an apocalyptic number.

97022239 is a deficient number, since it is larger than the sum of its proper divisors (1).

97022239 is an equidigital number, since it uses as much as digits as its factorization.

97022239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 97022239 is about 9849.9867512601. The cubic root of 97022239 is about 459.5052004733.

The spelling of 97022239 in words is "ninety-seven million, twenty-two thousand, two hundred thirty-nine".