222100099 has 4 divisors (see below), whose sum is σ = 239184736. Its totient is φ = 205015464.

The previous prime is 222100097. The next prime is 222100103. The reversal of 222100099 is 990001222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222100099 - 2¹ = 222100097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222100093) 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, 8542299 + ... + 8542324.

It is an arithmetic number, because the mean of its divisors is an integer number (59796184).

Almost surely, 2^222100099 is an apocalyptic number.

222100099 is a deficient number, since it is larger than the sum of its proper divisors (17084637).

222100099 is a wasteful number, since it uses less digits than its factorization.

222100099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17084636.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 222100099 is about 14903.0231496834. The cubic root of 222100099 is about 605.5958876347.

The spelling of 222100099 in words is "two hundred twenty-two million, one hundred thousand, ninety-nine".