222100000236 has 18 divisors (see below), whose sum is σ = 561419445132. Its totient is φ = 74033333400.

The previous prime is 222100000217. The next prime is 222100000237. The reversal of 222100000236 is 632000001222.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (222100000237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3084722190 + ... + 3084722261.

It is an arithmetic number, because the mean of its divisors is an integer number (31189969174).

Almost surely, 2^222100000236 is an apocalyptic number.

It is an amenable number.

222100000236 is an abundant number, since it is smaller than the sum of its proper divisors (339319444896).

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

222100000236 is a wasteful number, since it uses less digits than its factorization.

222100000236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169444461 (or 6169444456 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222100000236 its reverse (632000001222), we get a palindrome (854100001458).

The spelling of 222100000236 in words is "two hundred twenty-two billion, one hundred million, two hundred thirty-six", and thus it is an aban number.