222240401312 has 96 divisors (see below), whose sum is σ = 461303216640. Its totient is φ = 105189384960.

The previous prime is 222240401269. The next prime is 222240401359. The reversal of 222240401312 is 213104042222.

It is a super-2 number, since 2×222240401312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33859343 + ... + 33865905.

It is an arithmetic number, because the mean of its divisors is an integer number (4805241840).

Almost surely, 2^222240401312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222240401312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230651608320).

222240401312 is an abundant number, since it is smaller than the sum of its proper divisors (239062815328).

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

222240401312 is a wasteful number, since it uses less digits than its factorization.

222240401312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066 (or 7058 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 222240401312 its reverse (213104042222), we get a palindrome (435344443534).

The spelling of 222240401312 in words is "two hundred twenty-two billion, two hundred forty million, four hundred one thousand, three hundred twelve".