222202440040 has 64 divisors (see below), whose sum is σ = 571848076800. Its totient is φ = 76120977408.

The previous prime is 222202440017. The next prime is 222202440049. The reversal of 222202440040 is 40044202222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222202439993 and 222202440020.

It is not an unprimeable number, because it can be changed into a prime (222202440049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14721 + ... + 666799.

It is an arithmetic number, because the mean of its divisors is an integer number (8935126200).

Almost surely, 2^222202440040 is an apocalyptic number.

222202440040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202440040 is an abundant number, since it is smaller than the sum of its proper divisors (349645636760).

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

222202440040 is a wasteful number, since it uses less digits than its factorization.

222202440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653314 (or 653310 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 222202440040 its reverse (40044202222), we get a palindrome (262246642262).

The spelling of 222202440040 in words is "two hundred twenty-two billion, two hundred two million, four hundred forty thousand, forty".