222897439099 has 4 divisors (see below), whose sum is σ = 222933126064. Its totient is φ = 222861752136.

The previous prime is 222897439091. The next prime is 222897439103. The reversal of 222897439099 is 990934798222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990934798222 = 2 ⋅495467399111.

It is a cyclic number.

It is not a de Polignac number, because 222897439099 - 2³ = 222897439091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222897439099.

It is not an unprimeable number, because it can be changed into a prime (222897439091) 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, 17834112 + ... + 17846605.

It is an arithmetic number, because the mean of its divisors is an integer number (55733281516).

Almost surely, 2^222897439099 is an apocalyptic number.

222897439099 is a deficient number, since it is larger than the sum of its proper divisors (35686965).

222897439099 is an equidigital number, since it uses as much as digits as its factorization.

222897439099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35686964.

The product of its (nonzero) digits is 35271936, while the sum is 64.

The spelling of 222897439099 in words is "two hundred twenty-two billion, eight hundred ninety-seven million, four hundred thirty-nine thousand, ninety-nine".