872422 has 8 divisors (see below), whose sum is σ = 1330272. Its totient is φ = 429000.

The previous prime is 872419. The next prime is 872429. The reversal of 872422 is 224278.

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

It is a super-2 number, since 2×872422² = 1522240292168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3454 + ... + 3697.

It is an arithmetic number, because the mean of its divisors is an integer number (166284).

2⁸⁷²⁴²² is an apocalyptic number.

872422 is a deficient number, since it is larger than the sum of its proper divisors (457850).

872422 is a wasteful number, since it uses less digits than its factorization.

872422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7214.

The product of its digits is 1792, while the sum is 25.

The square root of 872422 is about 934.0353312375. The cubic root of 872422 is about 95.5525327049.

The spelling of 872422 in words is "eight hundred seventy-two thousand, four hundred twenty-two".