422793253 has 2 divisors, whose sum is σ = 422793254. Its totient is φ = 422793252.

The previous prime is 422793181. The next prime is 422793299. The reversal of 422793253 is 352397224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408969729 + 13823524 = 20223^2 + 3718^2 .

It is a cyclic number.

It is not a de Polignac number, because 422793253 - 2¹³ = 422785061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422793053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211396626 + 211396627.

It is an arithmetic number, because the mean of its divisors is an integer number (211396627).

Almost surely, 2^422793253 is an apocalyptic number.

It is an amenable number.

422793253 is a deficient number, since it is larger than the sum of its proper divisors (1).

422793253 is an equidigital number, since it uses as much as digits as its factorization.

422793253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 422793253 is about 20561.9369953319. The cubic root of 422793253 is about 750.5437556038.

The spelling of 422793253 in words is "four hundred twenty-two million, seven hundred ninety-three thousand, two hundred fifty-three".