222046999 has 4 divisors (see below), whose sum is σ = 223273960. Its totient is φ = 220820040.

The previous prime is 222046987. The next prime is 222047003. The reversal of 222046999 is 999640222.

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 222046999 - 2⁵ = 222046967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222046919) 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, 613209 + ... + 613570.

It is an arithmetic number, because the mean of its divisors is an integer number (55818490).

Almost surely, 2^222046999 is an apocalyptic number.

222046999 is a deficient number, since it is larger than the sum of its proper divisors (1226961).

222046999 is a wasteful number, since it uses less digits than its factorization.

222046999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226960.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 222046999 is about 14901.2415254569. The cubic root of 222046999 is about 605.5476215528.

The spelling of 222046999 in words is "two hundred twenty-two million, forty-six thousand, nine hundred ninety-nine".