222003522 has 96 divisors (see below), whose sum is σ = 535132416. Its totient is φ = 66096000.

The previous prime is 222003517. The next prime is 222003541. The reversal of 222003522 is 225300222.

222003522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222003495 and 222003504.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1470147 + ... + 1470297.

It is an arithmetic number, because the mean of its divisors is an integer number (5574296).

Almost surely, 2^222003522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222003522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267566208).

222003522 is an abundant number, since it is smaller than the sum of its proper divisors (313128894).

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

222003522 is a wasteful number, since it uses less digits than its factorization.

222003522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 222003522 is about 14899.7826158639. The cubic root of 222003522 is about 605.5080967186.

Adding to 222003522 its reverse (225300222), we get a palindrome (447303744).

The spelling of 222003522 in words is "two hundred twenty-two million, three thousand, five hundred twenty-two".