222154274 has 8 divisors (see below), whose sum is σ = 334687260. Its totient is φ = 110591856.

The previous prime is 222154223. The next prime is 222154279. The reversal of 222154274 is 472451222.

It can be written as a sum of positive squares in 2 ways, for example, as 219247249 + 2907025 = 14807^2 + 1705^2 .

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 (222154279) 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, 242069 + ... + 242984.

Almost surely, 2^222154274 is an apocalyptic number.

222154274 is a deficient number, since it is larger than the sum of its proper divisors (112532986).

222154274 is a wasteful number, since it uses less digits than its factorization.

222154274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485284.

The product of its digits is 8960, while the sum is 29.

The square root of 222154274 is about 14904.8406230996. The cubic root of 222154274 is about 605.6451229272.

The spelling of 222154274 in words is "two hundred twenty-two million, one hundred fifty-four thousand, two hundred seventy-four".