422658369 has 36 divisors (see below), whose sum is σ = 751969764. Its totient is φ = 227308032.

The previous prime is 422658331. The next prime is 422658377. The reversal of 422658369 is 963856224.

422658369 is a `hidden beast` number, since 4 + 2 + 2 + 6 + 583 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 138297600 + 284360769 = 11760^2 + 16863^2 .

It is not a de Polignac number, because 422658369 - 2¹⁵ = 422625601 is a prime.

It is a super-2 number, since 2×422658369² = 357280193771480322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422658389) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20692 + ... + 35685.

It is an arithmetic number, because the mean of its divisors is an integer number (20888049).

Almost surely, 2^422658369 is an apocalyptic number.

422658369 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

422658369 is a deficient number, since it is larger than the sum of its proper divisors (329311395).

422658369 is a wasteful number, since it uses less digits than its factorization.

422658369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56414 (or 56404 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 422658369 is about 20558.6567897808. The cubic root of 422658369 is about 750.4639316308.

The spelling of 422658369 in words is "four hundred twenty-two million, six hundred fifty-eight thousand, three hundred sixty-nine".