222858122 has 4 divisors (see below), whose sum is σ = 334287186. Its totient is φ = 111429060.

The previous prime is 222858091. The next prime is 222858143. The reversal of 222858122 is 221858222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221858222 = 2 ⋅110929111.

It can be written as a sum of positive squares in only one way, i.e., 218773681 + 4084441 = 14791^2 + 2021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55714529 + ... + 55714532.

Almost surely, 2^222858122 is an apocalyptic number.

222858122 is a deficient number, since it is larger than the sum of its proper divisors (111429064).

222858122 is a wasteful number, since it uses less digits than its factorization.

222858122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111429063.

The product of its digits is 10240, while the sum is 32.

The square root of 222858122 is about 14928.4333404413. The cubic root of 222858122 is about 606.2840673526.

The spelling of 222858122 in words is "two hundred twenty-two million, eight hundred fifty-eight thousand, one hundred twenty-two".