422570 has 8 divisors (see below), whose sum is σ = 760644. Its totient is φ = 169024.

The previous prime is 422567. The next prime is 422573. The reversal of 422570 is 75224.

It is an interprime number because it is at equal distance from previous prime (422567) and next prime (422573).

It can be written as a sum of positive squares in 2 ways, for example, as 421201 + 1369 = 649^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (422573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21119 + ... + 21138.

2⁴²²⁵⁷⁰ is an apocalyptic number.

422570 is a deficient number, since it is larger than the sum of its proper divisors (338074).

422570 is a wasteful number, since it uses less digits than its factorization.

422570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42264.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 422570 is about 650.0538439237. The cubic root of 422570 is about 75.0411625896.

Adding to 422570 its reverse (75224), we get a palindrome (497794).

The spelling of 422570 in words is "four hundred twenty-two thousand, five hundred seventy".