222555118 has 4 divisors (see below), whose sum is σ = 333832680. Its totient is φ = 111277558.

The previous prime is 222555101. The next prime is 222555119. The reversal of 222555118 is 811555222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222555118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222555119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55638778 + ... + 55638781.

It is an arithmetic number, because the mean of its divisors is an integer number (83458170).

Almost surely, 2^222555118 is an apocalyptic number.

222555118 is a deficient number, since it is larger than the sum of its proper divisors (111277562).

222555118 is a wasteful number, since it uses less digits than its factorization.

222555118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111277561.

The product of its digits is 8000, while the sum is 31.

The square root of 222555118 is about 14918.2813353281. The cubic root of 222555118 is about 606.0091692600.

The spelling of 222555118 in words is "two hundred twenty-two million, five hundred fifty-five thousand, one hundred eighteen".