97442227 has 2 divisors, whose sum is σ = 97442228. Its totient is φ = 97442226.

The previous prime is 97442173. The next prime is 97442239. The reversal of 97442227 is 72224479.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97442227 is a prime.

It is not a weakly prime, because it can be changed into another prime (97442287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48721113 + 48721114.

It is an arithmetic number, because the mean of its divisors is an integer number (48721114).

Almost surely, 2^97442227 is an apocalyptic number.

97442227 is a deficient number, since it is larger than the sum of its proper divisors (1).

97442227 is an equidigital number, since it uses as much as digits as its factorization.

97442227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 97442227 is about 9871.2829460005. The cubic root of 97442227 is about 460.1672784815.

The spelling of 97442227 in words is "ninety-seven million, four hundred forty-two thousand, two hundred twenty-seven".