222220132100 has 36 divisors (see below), whose sum is σ = 483109149348. Its totient is φ = 88723728000.

The previous prime is 222220132097. The next prime is 222220132111. The reversal of 222220132100 is 1231022222.

It can be written as a sum of positive squares in 6 ways, for example, as 3136224004 + 219083908096 = 56002^2 + 468064^2 .

It is a super-2 number, since 2×222220132100² (a number of 23 digits) contains 22 as substring.

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, 1999691 + ... + 2107890.

It is an arithmetic number, because the mean of its divisors is an integer number (13419698593).

Almost surely, 2^222220132100 is an apocalyptic number.

222220132100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220132100 is an abundant number, since it is smaller than the sum of its proper divisors (260889017248).

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

222220132100 is a wasteful number, since it uses less digits than its factorization.

222220132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108136 (or 4108129 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222220132100 its reverse (1231022222), we get a palindrome (223451154322).

The spelling of 222220132100 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred thirty-two thousand, one hundred".