22202221001200 has 60 divisors (see below), whose sum is σ = 53352443775400. Its totient is φ = 8878955777280.

The previous prime is 22202221001141. The next prime is 22202221001201. The reversal of 22202221001200 is 210012220222.

It is a super-2 number, since 2×22202221001200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202221001201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4198350 + ... + 7875949.

Almost surely, 2^{22202221001200} is an apocalyptic number.

22202221001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202221001200 is an abundant number, since it is smaller than the sum of its proper divisors (31150222774200).

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

22202221001200 is a wasteful number, since it uses less digits than its factorization.

22202221001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12078914 (or 12078903 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22202221001200 its reverse (210012220222), we get a palindrome (22412233221422).

The spelling of 22202221001200 in words is "twenty-two trillion, two hundred two billion, two hundred twenty-one million, one thousand, two hundred".