972222 has 16 divisors (see below), whose sum is σ = 2007552. Its totient is φ = 313560.

The previous prime is 972221. The next prime is 972227. The reversal of 972222 is 222279.

972222 = T₅₈ + T₅₉ + ... + T₁₈₁.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 972192 and 972201.

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 7 ways as a sum of consecutive naturals, for example, 2428 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (125472).

2⁹⁷²²²² is an apocalyptic number.

972222 is an abundant number, since it is smaller than the sum of its proper divisors (1035330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

972222 is a wasteful number, since it uses less digits than its factorization.

972222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263.

The product of its digits is 1008, while the sum is 24.

The square root of 972222 is about 986.0131844960. The cubic root of 972222 is about 99.0653583315.

The spelling of 972222 in words is "nine hundred seventy-two thousand, two hundred twenty-two".