22243224321402 has 96 divisors (see below), whose sum is σ = 52231845758400. Its totient is φ = 6295993546752.

The previous prime is 22243224321401. The next prime is 22243224321403. The reversal of 22243224321402 is 20412342234222.

It is an interprime number because it is at equal distance from previous prime (22243224321401) and next prime (22243224321403).

It is a super-2 number, since 2×22243224321402² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22243224321401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239946153 + ... + 240038835.

It is an arithmetic number, because the mean of its divisors is an integer number (544081726650).

Almost surely, 2^{22243224321402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22243224321402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26115922879200).

22243224321402 is an abundant number, since it is smaller than the sum of its proper divisors (29988621436998).

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

22243224321402 is a wasteful number, since it uses less digits than its factorization.

22243224321402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100300 (or 100293 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 22243224321402 its reverse (20412342234222), we get a palindrome (42655566555624).

The spelling of 22243224321402 in words is "twenty-two trillion, two hundred forty-three billion, two hundred twenty-four million, three hundred twenty-one thousand, four hundred two".