222192288 has 96 divisors (see below), whose sum is σ = 651470400. Its totient is φ = 73675008.

The previous prime is 222192281. The next prime is 222192323. The reversal of 222192288 is 882291222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (222192281) 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 15 ways as a sum of consecutive naturals, for example, 197295 + ... + 198417.

It is an arithmetic number, because the mean of its divisors is an integer number (6786150).

Almost surely, 2^222192288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222192288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325735200).

222192288 is an abundant number, since it is smaller than the sum of its proper divisors (429278112).

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

222192288 is a wasteful number, since it uses less digits than its factorization.

222192288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1357 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 222192288 is about 14906.1157918487. The cubic root of 222192288 is about 605.6796660103.

It can be divided in two parts, 222 and 192288, that added together give a triangular number (192510 = T₆₂₀).

The spelling of 222192288 in words is "two hundred twenty-two million, one hundred ninety-two thousand, two hundred eighty-eight".