222155474 has 8 divisors (see below), whose sum is σ = 342239628. Its totient is φ = 108075600.

The previous prime is 222155431. The next prime is 222155477. The reversal of 222155474 is 474551222.

It can be written as a sum of positive squares in 2 ways, for example, as 221801449 + 354025 = 14893^2 + 595^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222155474.

It is not an unprimeable number, because it can be changed into a prime (222155477) 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, 1500977 + ... + 1501124.

Almost surely, 2^222155474 is an apocalyptic number.

222155474 is a deficient number, since it is larger than the sum of its proper divisors (120084154).

222155474 is a wasteful number, since it uses less digits than its factorization.

222155474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002140.

The product of its digits is 22400, while the sum is 32.

The square root of 222155474 is about 14904.8808784237. The cubic root of 222155474 is about 605.6462134199.

The spelling of 222155474 in words is "two hundred twenty-two million, one hundred fifty-five thousand, four hundred seventy-four".