22222001310 has 128 divisors (see below), whose sum is σ = 58128399360. Its totient is φ = 5421182976.

The previous prime is 22222001257. The next prime is 22222001311. The reversal of 22222001310 is 1310022222.

It is a happy number.

It is a super-2 number, since 2×22222001310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22222001310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222001311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1498894 + ... + 1513646.

It is an arithmetic number, because the mean of its divisors is an integer number (454128120).

Almost surely, 2^22222001310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22222001310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29064199680).

22222001310 is an abundant number, since it is smaller than the sum of its proper divisors (35906398050).

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

22222001310 is a wasteful number, since it uses less digits than its factorization.

22222001310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14882.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22222001310 its reverse (1310022222), we get a palindrome (23532023532).

The spelling of 22222001310 in words is "twenty-two billion, two hundred twenty-two million, one thousand, three hundred ten".