83222997 has 16 divisors (see below), whose sum is σ = 130363968. Its totient is φ = 46558080.

The previous prime is 83222987. The next prime is 83223013. The reversal of 83222997 is 79922238.

It is not a de Polignac number, because 83222997 - 2¹² = 83218901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83222957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96568 + ... + 97425.

It is an arithmetic number, because the mean of its divisors is an integer number (8147748).

Almost surely, 2^83222997 is an apocalyptic number.

It is an amenable number.

83222997 is a deficient number, since it is larger than the sum of its proper divisors (47140971).

83222997 is a wasteful number, since it uses less digits than its factorization.

83222997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194020.

The product of its digits is 108864, while the sum is 42.

The square root of 83222997 is about 9122.6639201496. The cubic root of 83222997 is about 436.5973718943.

The spelling of 83222997 in words is "eighty-three million, two hundred twenty-two thousand, nine hundred ninety-seven".