422097121 has 2 divisors, whose sum is σ = 422097122. Its totient is φ = 422097120.

The previous prime is 422097101. The next prime is 422097133. The reversal of 422097121 is 121790224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334487521 + 87609600 = 18289^2 + 9360^2 .

It is a cyclic number.

It is not a de Polignac number, because 422097121 - 2⁷ = 422096993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422097121.

It is not a weakly prime, because it can be changed into another prime (422097101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211048560 + 211048561.

It is an arithmetic number, because the mean of its divisors is an integer number (211048561).

Almost surely, 2^422097121 is an apocalyptic number.

It is an amenable number.

422097121 is a deficient number, since it is larger than the sum of its proper divisors (1).

422097121 is an equidigital number, since it uses as much as digits as its factorization.

422097121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 422097121 is about 20545.0023363347. The cubic root of 422097121 is about 750.1316041650.

The spelling of 422097121 in words is "four hundred twenty-two million, ninety-seven thousand, one hundred twenty-one".