222302232200 has 72 divisors (see below), whose sum is σ = 522025500990. Its totient is φ = 88039680000.

The previous prime is 222302232199. The next prime is 222302232211. The reversal of 222302232200 is 2232203222.

It can be written as a sum of positive squares in 9 ways, for example, as 153665568004 + 68636664196 = 392002^2 + 261986^2 .

It is a super-2 number, since 2×222302232200² (a number of 23 digits) contains 22 as substring.

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 17 ways as a sum of consecutive naturals, for example, 1985720 + ... + 2094680.

Almost surely, 2^222302232200 is an apocalyptic number.

222302232200 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 222302232200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261012750495).

222302232200 is an abundant number, since it is smaller than the sum of its proper divisors (299723268790).

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

222302232200 is a wasteful number, since it uses less digits than its factorization.

222302232200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109179 (or 109069 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 222302232200 its reverse (2232203222), we get a palindrome (224534435422).

The spelling of 222302232200 in words is "two hundred twenty-two billion, three hundred two million, two hundred thirty-two thousand, two hundred".