222550546 has 16 divisors (see below), whose sum is σ = 342994176. Its totient is φ = 108247936.

The previous prime is 222550543. The next prime is 222550547. The reversal of 222550546 is 645055222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222550543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8610 + ... + 22786.

It is an arithmetic number, because the mean of its divisors is an integer number (21437136).

Almost surely, 2^222550546 is an apocalyptic number.

222550546 is a deficient number, since it is larger than the sum of its proper divisors (120443630).

222550546 is a wasteful number, since it uses less digits than its factorization.

222550546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14393.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 222550546 is about 14918.1280997315. The cubic root of 222550546 is about 606.0050194373.

The spelling of 222550546 in words is "two hundred twenty-two million, five hundred fifty thousand, five hundred forty-six".