221222231202000 has 160 divisors (see below), whose sum is σ = 815109112606464. Its totient is φ = 50565081408000.

The previous prime is 221222231201989. The next prime is 221222231202047. The reversal of 221222231202000 is 202132222122.

It is a super-2 number, since 2×221222231202000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2633555991 + ... + 2633639990.

Almost surely, 2^{221222231202000} is an apocalyptic number.

221222231202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221222231202000 is an abundant number, since it is smaller than the sum of its proper divisors (593886881404464).

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

221222231202000 is a wasteful number, since it uses less digits than its factorization.

221222231202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267196014 (or 5267195998 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 221222231202000 its reverse (202132222122), we get a palindrome (221424363424122).

The spelling of 221222231202000 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two hundred thirty-one million, two hundred two thousand".