222122322100 has 36 divisors (see below), whose sum is σ = 550863360544. Its totient is φ = 76156224480.

The previous prime is 222122322043. The next prime is 222122322109. The reversal of 222122322100 is 1223221222.

It is a super-2 number, since 2×222122322100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122322109) 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, 158658102 + ... + 158659501.

Almost surely, 2^222122322100 is an apocalyptic number.

222122322100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122322100 is an abundant number, since it is smaller than the sum of its proper divisors (328741038444).

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

222122322100 is a wasteful number, since it uses less digits than its factorization.

222122322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317317624 (or 317317617 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222122322100 its reverse (1223221222), we get a palindrome (223345543322).

The spelling of 222122322100 in words is "two hundred twenty-two billion, one hundred twenty-two million, three hundred twenty-two thousand, one hundred".