222433240 has 32 divisors (see below), whose sum is σ = 501072480. Its totient is φ = 88867072.

The previous prime is 222433231. The next prime is 222433249. The reversal of 222433240 is 42334222.

It is an interprime number because it is at equal distance from previous prime (222433231) and next prime (222433249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222433249) 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 7 ways as a sum of consecutive naturals, for example, 36492 + ... + 42148.

It is an arithmetic number, because the mean of its divisors is an integer number (15658515).

Almost surely, 2^222433240 is an apocalyptic number.

222433240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222433240 is an abundant number, since it is smaller than the sum of its proper divisors (278639240).

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

222433240 is a wasteful number, since it uses less digits than its factorization.

222433240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6651 (or 6647 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 222433240 is about 14914.1959220067. The cubic root of 222433240 is about 605.8985259989.

Adding to 222433240 its reverse (42334222), we get a palindrome (264767462).

The spelling of 222433240 in words is "two hundred twenty-two million, four hundred thirty-three thousand, two hundred forty".