222168544 has 24 divisors (see below), whose sum is σ = 471040920. Its totient is φ = 102539136.

The previous prime is 222168517. The next prime is 222168547. The reversal of 222168544 is 445861222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222168547) 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 3 ways as a sum of consecutive naturals, for example, 266614 + ... + 267445.

It is an arithmetic number, because the mean of its divisors is an integer number (19626705).

Almost surely, 2^222168544 is an apocalyptic number.

It is an amenable number.

222168544 is an abundant number, since it is smaller than the sum of its proper divisors (248872376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222168544 is a wasteful number, since it uses less digits than its factorization.

222168544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534082 (or 534074 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 222168544 is about 14905.3193189546. The cubic root of 222168544 is about 605.6580904485.

The spelling of 222168544 in words is "two hundred twenty-two million, one hundred sixty-eight thousand, five hundred forty-four".