222022212220100 has 36 divisors (see below), whose sum is σ = 481913438732544. Its totient is φ = 88785799502880.

The previous prime is 222022212220049. The next prime is 222022212220129. The reversal of 222022212220100 is 1022212220222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288180692 + ... + 288950091.

Almost surely, 2^{222022212220100} is an apocalyptic number.

222022212220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222022212220100 is an abundant number, since it is smaller than the sum of its proper divisors (259891226512444).

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

222022212220100 is a wasteful number, since it uses less digits than its factorization.

222022212220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577134644 (or 577134637 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222022212220100 its reverse (1022212220222), we get a palindrome (223044424440322).

The spelling of 222022212220100 in words is "two hundred twenty-two trillion, twenty-two billion, two hundred twelve million, two hundred twenty thousand, one hundred".