83191022 has 8 divisors (see below), whose sum is σ = 128159256. Its totient is φ = 40471272.

The previous prime is 83191001. The next prime is 83191027. The reversal of 83191022 is 22019138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×83191022² = 13841492282808968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83190982 and 83191000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83191027) 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, 562028 + ... + 562175.

It is an arithmetic number, because the mean of its divisors is an integer number (16019907).

Almost surely, 2^83191022 is an apocalyptic number.

83191022 is a deficient number, since it is larger than the sum of its proper divisors (44968234).

83191022 is a wasteful number, since it uses less digits than its factorization.

83191022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124242.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 83191022 is about 9120.9112483348. The cubic root of 83191022 is about 436.5414498947.

The spelling of 83191022 in words is "eighty-three million, one hundred ninety-one thousand, twenty-two".