971972022 has 16 divisors (see below), whose sum is σ = 2221650432. Its totient is φ = 277706280.

The previous prime is 971971943. The next prime is 971972041. The reversal of 971972022 is 220279179.

It is a super-2 number, since 2×971972022² = 1889459223101536968, which contains 22 as substring.

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, 11571054 + ... + 11571137.

It is an arithmetic number, because the mean of its divisors is an integer number (138853152).

Almost surely, 2^971972022 is an apocalyptic number.

971972022 is an abundant number, since it is smaller than the sum of its proper divisors (1249678410).

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

971972022 is a wasteful number, since it uses less digits than its factorization.

971972022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23142203.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 971972022 is about 31176.4658356267. The cubic root of 971972022 is about 990.5686703261.

The spelling of 971972022 in words is "nine hundred seventy-one million, nine hundred seventy-two thousand, twenty-two".