222163546 has 16 divisors (see below), whose sum is σ = 375268608. Its totient is φ = 97725600.

The previous prime is 222163511. The next prime is 222163547. The reversal of 222163546 is 645361222.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (222163547) by changing a digit.

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, 162195 + ... + 163558.

It is an arithmetic number, because the mean of its divisors is an integer number (23454288).

Almost surely, 2^222163546 is an apocalyptic number.

222163546 is a deficient number, since it is larger than the sum of its proper divisors (153105062).

222163546 is a wasteful number, since it uses less digits than its factorization.

222163546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325797.

The product of its digits is 17280, while the sum is 31.

The square root of 222163546 is about 14905.1516597450. The cubic root of 222163546 is about 605.6535486987.

The spelling of 222163546 in words is "two hundred twenty-two million, one hundred sixty-three thousand, five hundred forty-six".