222010012212200 has 96 divisors (see below), whose sum is σ = 517524896655000. Its totient is φ = 88571543654400.

The previous prime is 222010012212193. The next prime is 222010012212211. The reversal of 222010012212200 is 2212210010222.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 27080554394404 + 194929457817796 = 5203898^2 + 13961714^2 .

It is a super-2 number, since 2×222010012212200² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478216190 + ... + 478680210.

Almost surely, 2^{222010012212200} is an apocalyptic number.

222010012212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222010012212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258762448327500).

222010012212200 is an abundant number, since it is smaller than the sum of its proper divisors (295514884442800).

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

222010012212200 is a wasteful number, since it uses less digits than its factorization.

222010012212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470295 (or 470286 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222010012212200 its reverse (2212210010222), we get a palindrome (224222222222422).

The spelling of 222010012212200 in words is "two hundred twenty-two trillion, ten billion, twelve million, two hundred twelve thousand, two hundred".