222001333400 has 96 divisors (see below), whose sum is σ = 643515598080. Its totient is φ = 69195216000.

The previous prime is 222001333387. The next prime is 222001333417. The reversal of 222001333400 is 4333100222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7192436 + ... + 7223235.

It is an arithmetic number, because the mean of its divisors is an integer number (6703287480).

Almost surely, 2^222001333400 is an apocalyptic number.

222001333400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001333400 is an abundant number, since it is smaller than the sum of its proper divisors (421514264680).

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

222001333400 is a wasteful number, since it uses less digits than its factorization.

222001333400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14415705 (or 14415696 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 222001333400 its reverse (4333100222), we get a palindrome (226334433622).

The spelling of 222001333400 in words is "two hundred twenty-two billion, one million, three hundred thirty-three thousand, four hundred".