222319020 has 96 divisors (see below), whose sum is σ = 776111616. Its totient is φ = 46195200.

The previous prime is 222318991. The next prime is 222319037. The reversal of 222319020 is 20913222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19441 + ... + 28680.

It is an arithmetic number, because the mean of its divisors is an integer number (8084496).

Almost surely, 2^222319020 is an apocalyptic number.

222319020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222319020 is an abundant number, since it is smaller than the sum of its proper divisors (553792596).

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

222319020 is a wasteful number, since it uses less digits than its factorization.

222319020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48151 (or 48149 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 222319020 is about 14910.3661926862. The cubic root of 222319020 is about 605.7947981286.

The spelling of 222319020 in words is "two hundred twenty-two million, three hundred nineteen thousand, twenty".