91222954 has 8 divisors (see below), whose sum is σ = 137407680. Its totient is φ = 45420396.

The previous prime is 91222939. The next prime is 91222961. The reversal of 91222954 is 45922219.

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

It is a super-2 number, since 2×91222954² = 16643254672972232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94944 + ... + 95899.

It is an arithmetic number, because the mean of its divisors is an integer number (17175960).

Almost surely, 2^91222954 is an apocalyptic number.

91222954 is a deficient number, since it is larger than the sum of its proper divisors (46184726).

91222954 is a wasteful number, since it uses less digits than its factorization.

91222954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191084.

The product of its digits is 12960, while the sum is 34.

The square root of 91222954 is about 9551.0708300169. The cubic root of 91222954 is about 450.1611834118.

The spelling of 91222954 in words is "ninety-one million, two hundred twenty-two thousand, nine hundred fifty-four".