222212000100 has 36 divisors (see below), whose sum is σ = 642933387824. Its totient is φ = 59256533280.

The previous prime is 222212000089. The next prime is 222212000111. The reversal of 222212000100 is 1000212222.

It is an interprime number because it is at equal distance from previous prime (222212000089) and next prime (222212000111).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 370353034 + ... + 370353633.

Almost surely, 2^222212000100 is an apocalyptic number.

222212000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212000100 is an abundant number, since it is smaller than the sum of its proper divisors (420721387724).

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

222212000100 is a wasteful number, since it uses less digits than its factorization.

222212000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740706684 (or 740706677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222212000100 its reverse (1000212222), we get a palindrome (223212212322).

The spelling of 222212000100 in words is "two hundred twenty-two billion, two hundred twelve million, one hundred", and thus it is an aban number.