457722269 has 2 divisors, whose sum is σ = 457722270. Its totient is φ = 457722268.

The previous prime is 457722233. The next prime is 457722271. The reversal of 457722269 is 962227754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341880100 + 115842169 = 18490^2 + 10763^2 .

It is a cyclic number.

It is not a de Polignac number, because 457722269 - 2¹⁶ = 457656733 is a prime.

It is a super-2 number, since 2×457722269² = 419019351077016722, which contains 22 as substring.

Together with 457722271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457722299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228861134 + 228861135.

It is an arithmetic number, because the mean of its divisors is an integer number (228861135).

Almost surely, 2^457722269 is an apocalyptic number.

It is an amenable number.

457722269 is a deficient number, since it is larger than the sum of its proper divisors (1).

457722269 is an equidigital number, since it uses as much as digits as its factorization.

457722269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 457722269 is about 21394.4448163536. Note that the first 3 decimals coincide. The cubic root of 457722269 is about 770.6680372236.

The spelling of 457722269 in words is "four hundred fifty-seven million, seven hundred twenty-two thousand, two hundred sixty-nine".