97222131 has 6 divisors (see below), whose sum is σ = 140431980. Its totient is φ = 64814748.

The previous prime is 97222121. The next prime is 97222157. The reversal of 97222131 is 13122279.

It is not a de Polignac number, because 97222131 - 2²² = 93027827 is a prime.

It is a super-2 number, since 2×97222131² = 18904285512362322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97222095 and 97222104.

It is not an unprimeable number, because it can be changed into a prime (97222121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5401221 + ... + 5401238.

It is an arithmetic number, because the mean of its divisors is an integer number (23405330).

Almost surely, 2^97222131 is an apocalyptic number.

97222131 is a deficient number, since it is larger than the sum of its proper divisors (43209849).

97222131 is a wasteful number, since it uses less digits than its factorization.

97222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10802465 (or 10802462 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 97222131 is about 9860.1283460207. The cubic root of 97222131 is about 459.8205522491.

The spelling of 97222131 in words is "ninety-seven million, two hundred twenty-two thousand, one hundred thirty-one".