222001333440 has 56 divisors (see below), whose sum is σ = 704854236720. Its totient is φ = 59200355328.

The previous prime is 222001333417. The next prime is 222001333441. The reversal of 222001333440 is 44333100222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 222001333440.

It is not an unprimeable number, because it can be changed into a prime (222001333441) 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, 115624735 + ... + 115626654.

Almost surely, 2^222001333440 is an apocalyptic number.

222001333440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001333440 is an abundant number, since it is smaller than the sum of its proper divisors (482852903280).

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

222001333440 is a wasteful number, since it uses less digits than its factorization.

222001333440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231251409 (or 231251399 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 222001333440 its reverse (44333100222), we get a palindrome (266334433662).

The spelling of 222001333440 in words is "two hundred twenty-two billion, one million, three hundred thirty-three thousand, four hundred forty".