222002404240 has 40 divisors (see below), whose sum is σ = 523859417280. Its totient is φ = 87475572096.

The previous prime is 222002404231. The next prime is 222002404243. The reversal of 222002404240 is 42404200222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (222002404243) 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, 20703820 + ... + 20714539.

It is an arithmetic number, because the mean of its divisors is an integer number (13096485432).

Almost surely, 2^222002404240 is an apocalyptic number.

222002404240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222002404240 is an abundant number, since it is smaller than the sum of its proper divisors (301857013040).

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

222002404240 is a wasteful number, since it uses less digits than its factorization.

222002404240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41418439 (or 41418433 counting only the distinct ones).

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

Adding to 222002404240 its reverse (42404200222), we get a palindrome (264406604462).

The spelling of 222002404240 in words is "two hundred twenty-two billion, two million, four hundred four thousand, two hundred forty".