972422 has 8 divisors (see below), whose sum is σ = 1591272. Its totient is φ = 442000.

The previous prime is 972409. The next prime is 972427. The reversal of 972422 is 224279.

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

It is a junction number, because it is equal to n+sod(n) for n = 972391 and 972400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972427) by changing a digit.

972422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22079 + ... + 22122.

It is an arithmetic number, because the mean of its divisors is an integer number (198909).

2⁹⁷²⁴²² is an apocalyptic number.

972422 is a deficient number, since it is larger than the sum of its proper divisors (618850).

972422 is a wasteful number, since it uses less digits than its factorization.

972422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44214.

The product of its digits is 2016, while the sum is 26.

The square root of 972422 is about 986.1145978029. The cubic root of 972422 is about 99.0721509205.

The spelling of 972422 in words is "nine hundred seventy-two thousand, four hundred twenty-two".