222243040 has 48 divisors (see below), whose sum is σ = 555941232. Its totient is φ = 83666944.

The previous prime is 222243031. The next prime is 222243059. The reversal of 222243040 is 40342222.

222243040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222242999 and 222243017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38134 + ... + 43573.

It is an arithmetic number, because the mean of its divisors is an integer number (11582109).

Almost surely, 2^222243040 is an apocalyptic number.

222243040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222243040 is an abundant number, since it is smaller than the sum of its proper divisors (333698192).

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

222243040 is a wasteful number, since it uses less digits than its factorization.

222243040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81739 (or 81731 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 222243040 is about 14907.8180831401. The cubic root of 222243040 is about 605.7257778931.

Adding to 222243040 its reverse (40342222), we get a palindrome (262585262).

The spelling of 222243040 in words is "two hundred twenty-two million, two hundred forty-three thousand, forty".