222100993 has 8 divisors (see below), whose sum is σ = 225763200. Its totient is φ = 218453760.

The previous prime is 222100987. The next prime is 222100999. The reversal of 222100993 is 399001222.

It is an interprime number because it is at equal distance from previous prime (222100987) and next prime (222100999).

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

It is a cyclic number.

It is not a de Polignac number, because 222100993 - 2¹⁷ = 221969921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222100999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28396 + ... + 35362.

It is an arithmetic number, because the mean of its divisors is an integer number (28220400).

Almost surely, 2^222100993 is an apocalyptic number.

It is an amenable number.

222100993 is a deficient number, since it is larger than the sum of its proper divisors (3662207).

222100993 is an equidigital number, since it uses as much as digits as its factorization.

222100993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 222100993 is about 14903.0531435676. The cubic root of 222100993 is about 605.5967001842.

The spelling of 222100993 in words is "two hundred twenty-two million, one hundred thousand, nine hundred ninety-three".