222270154 has 8 divisors (see below), whose sum is σ = 335643300. Its totient is φ = 110389056.

The previous prime is 222270131. The next prime is 222270161. The reversal of 222270154 is 451072222.

It can be written as a sum of positive squares in 2 ways, for example, as 220374025 + 1896129 = 14845^2 + 1377^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372639 + ... + 373234.

Almost surely, 2^222270154 is an apocalyptic number.

222270154 is a deficient number, since it is larger than the sum of its proper divisors (113373146).

222270154 is a wasteful number, since it uses less digits than its factorization.

222270154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746024.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 222270154 is about 14908.7274440175. The cubic root of 222270154 is about 605.7504100569.

The spelling of 222270154 in words is "two hundred twenty-two million, two hundred seventy thousand, one hundred fifty-four".