222147118 has 4 divisors (see below), whose sum is σ = 333220680. Its totient is φ = 111073558.

The previous prime is 222147089. The next prime is 222147119. The reversal of 222147118 is 811741222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222147119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55536778 + ... + 55536781.

It is an arithmetic number, because the mean of its divisors is an integer number (83305170).

Almost surely, 2^222147118 is an apocalyptic number.

222147118 is a deficient number, since it is larger than the sum of its proper divisors (111073562).

222147118 is a wasteful number, since it uses less digits than its factorization.

222147118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111073561.

The product of its digits is 1792, while the sum is 28.

The square root of 222147118 is about 14904.6005649263. The cubic root of 222147118 is about 605.6386198742.

The spelling of 222147118 in words is "two hundred twenty-two million, one hundred forty-seven thousand, one hundred eighteen".