972899422 has 16 divisors (see below), whose sum is σ = 1598858352. Its totient is φ = 440326720.

The previous prime is 972899399. The next prime is 972899449. The reversal of 972899422 is 224998279.

It is a super-3 number, since 3×972899422³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 972899422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89773 + ... + 100024.

It is an arithmetic number, because the mean of its divisors is an integer number (99928647).

Almost surely, 2^972899422 is an apocalyptic number.

972899422 is a deficient number, since it is larger than the sum of its proper divisors (625958930).

972899422 is a wasteful number, since it uses less digits than its factorization.

972899422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190043.

The product of its digits is 1306368, while the sum is 52.

The square root of 972899422 is about 31191.3356879759. The cubic root of 972899422 is about 990.8836181310.

The spelling of 972899422 in words is "nine hundred seventy-two million, eight hundred ninety-nine thousand, four hundred twenty-two".