99222127 has 4 divisors (see below), whose sum is σ = 99244960. Its totient is φ = 99199296.

The previous prime is 99222121. The next prime is 99222131. The reversal of 99222127 is 72122299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72122299 = 47 ⋅1534517.

It is a cyclic number.

It is not a de Polignac number, because 99222127 - 2³ = 99222119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99222092 and 99222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99222121) 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, 2658 + ... + 14335.

It is an arithmetic number, because the mean of its divisors is an integer number (24811240).

Almost surely, 2^99222127 is an apocalyptic number.

99222127 is a deficient number, since it is larger than the sum of its proper divisors (22833).

99222127 is a wasteful number, since it uses less digits than its factorization.

99222127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22832.

The product of its digits is 9072, while the sum is 34.

The square root of 99222127 is about 9961.0304185862. The cubic root of 99222127 is about 462.9522269701.

The spelling of 99222127 in words is "ninety-nine million, two hundred twenty-two thousand, one hundred twenty-seven".