222001232 has 40 divisors (see below), whose sum is σ = 459995112. Its totient is φ = 103424000.

The previous prime is 222001223. The next prime is 222001237. The reversal of 222001232 is 232100222.

222001232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 103713856 + 118287376 = 10184^2 + 10876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23432 + ... + 31512.

Almost surely, 2^222001232 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 222001232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229997556).

222001232 is an abundant number, since it is smaller than the sum of its proper divisors (237993880).

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

222001232 is a wasteful number, since it uses less digits than its factorization.

222001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207 (or 8201 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 222001232 is about 14899.7057689070. The cubic root of 222001232 is about 605.5060147422.

Adding to 222001232 its reverse (232100222), we get a palindrome (454101454).

It can be divided in two parts, 22200 and 1232, that added together give a palindrome (23432).

The spelling of 222001232 in words is "two hundred twenty-two million, one thousand, two hundred thirty-two".