422820675 has 48 divisors (see below), whose sum is σ = 786199680. Its totient is φ = 222757920.

The previous prime is 422820649. The next prime is 422820679. The reversal of 422820675 is 576028224.

It is not a de Polignac number, because 422820675 - 2⁶ = 422820611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422820679) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52252 + ... + 59798.

It is an arithmetic number, because the mean of its divisors is an integer number (16379160).

Almost surely, 2^422820675 is an apocalyptic number.

422820675 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

422820675 is a deficient number, since it is larger than the sum of its proper divisors (363379005).

422820675 is a wasteful number, since it uses less digits than its factorization.

422820675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649 (or 7638 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 422820675 is about 20562.6037991301. The cubic root of 422820675 is about 750.5599817898.

Adding to 422820675 its reverse (576028224), we get a palindrome (998848899).

The spelling of 422820675 in words is "four hundred twenty-two million, eight hundred twenty thousand, six hundred seventy-five".