697422199 has 2 divisors, whose sum is σ = 697422200. Its totient is φ = 697422198.

The previous prime is 697422197. The next prime is 697422223. The reversal of 697422199 is 991224796.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 697422199 - 2¹ = 697422197 is a prime.

Together with 697422197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697422197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348711099 + 348711100.

It is an arithmetic number, because the mean of its divisors is an integer number (348711100).

Almost surely, 2^697422199 is an apocalyptic number.

697422199 is a deficient number, since it is larger than the sum of its proper divisors (1).

697422199 is an equidigital number, since it uses as much as digits as its factorization.

697422199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 697422199 is about 26408.7523181236. The cubic root of 697422199 is about 886.8127373653.

The spelling of 697422199 in words is "six hundred ninety-seven million, four hundred twenty-two thousand, one hundred ninety-nine".