972219 has 4 divisors (see below), whose sum is σ = 1296296. Its totient is φ = 648144.

The previous prime is 972199. The next prime is 972221. The reversal of 972219 is 912279.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 972219 - 2⁷ = 972091 is a prime.

It is a super-2 number, since 2×972219² = 1890419567922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972229) 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, 162034 + ... + 162039.

It is an arithmetic number, because the mean of its divisors is an integer number (324074).

2⁹⁷²²¹⁹ is an apocalyptic number.

972219 is a deficient number, since it is larger than the sum of its proper divisors (324077).

972219 is a wasteful number, since it uses less digits than its factorization.

972219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324076.

The product of its digits is 2268, while the sum is 30.

The square root of 972219 is about 986.0116632170. The cubic root of 972219 is about 99.0652564356.

The spelling of 972219 in words is "nine hundred seventy-two thousand, two hundred nineteen".