222241040 has 80 divisors (see below), whose sum is σ = 596414208. Its totient is φ = 75437568.

The previous prime is 222241039. The next prime is 222241067. The reversal of 222241040 is 40142222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55754 + ... + 59606.

Almost surely, 2^222241040 is an apocalyptic number.

222241040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222241040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298207104).

222241040 is an abundant number, since it is smaller than the sum of its proper divisors (374173168).

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

222241040 is a wasteful number, since it uses less digits than its factorization.

222241040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976 (or 3970 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222241040 is about 14907.7510040918. The cubic root of 222241040 is about 605.7239608806.

Adding to 222241040 its reverse (40142222), we get a palindrome (262383262).

The spelling of 222241040 in words is "two hundred twenty-two million, two hundred forty-one thousand, forty".