422272357 has 6 divisors (see below), whose sum is σ = 457253682. Its totient is φ = 389789712.

The previous prime is 422272351. The next prime is 422272363. The reversal of 422272357 is 753272224.

It is an interprime number because it is at equal distance from previous prime (422272351) and next prime (422272363).

It can be written as a sum of positive squares in 3 ways, for example, as 21031396 + 401240961 = 4586^2 + 20031^2 .

It is not a de Polignac number, because 422272357 - 2¹¹ = 422270309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422272351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1249158 + ... + 1249495.

It is an arithmetic number, because the mean of its divisors is an integer number (76208947).

Almost surely, 2^422272357 is an apocalyptic number.

It is an amenable number.

422272357 is a deficient number, since it is larger than the sum of its proper divisors (34981325).

422272357 is a wasteful number, since it uses less digits than its factorization.

422272357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498679 (or 2498666 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 422272357 is about 20549.2665805863. The cubic root of 422272357 is about 750.2353969248.

The spelling of 422272357 in words is "four hundred twenty-two million, two hundred seventy-two thousand, three hundred fifty-seven".