222164554 has 16 divisors (see below), whose sum is σ = 337309128. Its totient is φ = 109734912.

The previous prime is 222164497. The next prime is 222164573. The reversal of 222164554 is 455461222.

It can be written as a sum of positive squares in 4 ways, for example, as 177608929 + 44555625 = 13327^2 + 6675^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74704 + ... + 77620.

Almost surely, 2^222164554 is an apocalyptic number.

222164554 is a deficient number, since it is larger than the sum of its proper divisors (115144574).

222164554 is a wasteful number, since it uses less digits than its factorization.

222164554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369.

The product of its digits is 19200, while the sum is 31.

The square root of 222164554 is about 14905.1854735189. The cubic root of 222164554 is about 605.6544646874.

The spelling of 222164554 in words is "two hundred twenty-two million, one hundred sixty-four thousand, five hundred fifty-four".