222775127 has 4 divisors (see below), whose sum is σ = 223894800. Its totient is φ = 221655456.

The previous prime is 222775117. The next prime is 222775141. The reversal of 222775127 is 721577222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721577222 = 2 ⋅360788611.

It is a cyclic number.

It is not a de Polignac number, because 222775127 - 2²⁰ = 221726551 is a prime.

It is a super-2 number, since 2×222775127² = 99257514419732258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222775117) 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, 559538 + ... + 559935.

It is an arithmetic number, because the mean of its divisors is an integer number (55973700).

Almost surely, 2^222775127 is an apocalyptic number.

222775127 is a deficient number, since it is larger than the sum of its proper divisors (1119673).

222775127 is a wasteful number, since it uses less digits than its factorization.

222775127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119672.

The product of its digits is 27440, while the sum is 35.

The square root of 222775127 is about 14925.6533190343. The cubic root of 222775127 is about 606.2087955557.

The spelling of 222775127 in words is "two hundred twenty-two million, seven hundred seventy-five thousand, one hundred twenty-seven".