222595994 has 8 divisors (see below), whose sum is σ = 353534868. Its totient is φ = 104751040.

The previous prime is 222595991. The next prime is 222595999. The reversal of 222595994 is 499595222.

222595994 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 175165225 + 47430769 = 13235^2 + 6887^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222595991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273437 + ... + 3273504.

Almost surely, 2^222595994 is an apocalyptic number.

222595994 is a deficient number, since it is larger than the sum of its proper divisors (130938874).

222595994 is a wasteful number, since it uses less digits than its factorization.

222595994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546960.

The product of its digits is 583200, while the sum is 47.

The square root of 222595994 is about 14919.6512693829. The cubic root of 222595994 is about 606.0462682562.

The spelling of 222595994 in words is "two hundred twenty-two million, five hundred ninety-five thousand, nine hundred ninety-four".