972223 has 4 divisors (see below), whose sum is σ = 1111120. Its totient is φ = 833328.

The previous prime is 972221. The next prime is 972227. The reversal of 972223 is 322279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322279 = 47 ⋅6857.

It is a cyclic number.

It is not a de Polignac number, because 972223 - 2¹ = 972221 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972221) 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, 69438 + ... + 69451.

It is an arithmetic number, because the mean of its divisors is an integer number (277780).

2⁹⁷²²²³ is an apocalyptic number.

972223 is a deficient number, since it is larger than the sum of its proper divisors (138897).

972223 is a wasteful number, since it uses less digits than its factorization.

972223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138896.

The product of its digits is 1512, while the sum is 25.

The square root of 972223 is about 986.0136915885. The cubic root of 972223 is about 99.0653922968.

The spelling of 972223 in words is "nine hundred seventy-two thousand, two hundred twenty-three".