97220419 has 2 divisors, whose sum is σ = 97220420. Its totient is φ = 97220418.

The previous prime is 97220407. The next prime is 97220429. The reversal of 97220419 is 91402279.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (91402279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97220419 - 2⁹ = 97219907 is a prime.

It is a super-2 number, since 2×97220419² = 18903619741071122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97220429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48610209 + 48610210.

It is an arithmetic number, because the mean of its divisors is an integer number (48610210).

Almost surely, 2^97220419 is an apocalyptic number.

97220419 is a deficient number, since it is larger than the sum of its proper divisors (1).

97220419 is an equidigital number, since it uses as much as digits as its factorization.

97220419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 97220419 is about 9860.0415313527. The cubic root of 97220419 is about 459.8178532154.

The spelling of 97220419 in words is "ninety-seven million, two hundred twenty thousand, four hundred nineteen".