2222205551100 has 144 divisors (see below), whose sum is σ = 7519978412800. Its totient is φ = 561399284160.

The previous prime is 2222205551099. The next prime is 2222205551161. The reversal of 2222205551100 is 11555022222.

It is a happy number.

2222205551100 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 2 + 0 + 5 + 551 + 100 = 666.

It is a super-2 number, since 2×2222205551100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21607624 + ... + 21710223.

Almost surely, 2^{2222205551100} is an apocalyptic number.

2222205551100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222205551100 is an abundant number, since it is smaller than the sum of its proper divisors (5297772861700).

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

2222205551100 is a wasteful number, since it uses less digits than its factorization.

2222205551100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43317889 (or 43317876 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 2222205551100 in words is "two trillion, two hundred twenty-two billion, two hundred five million, five hundred fifty-one thousand, one hundred".