22123220332302 has 80 divisors (see below), whose sum is σ = 50927872303440. Its totient is φ = 7172889178752.

The previous prime is 22123220332267. The next prime is 22123220332303. The reversal of 22123220332302 is 20323302232122.

22123220332302 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 3 + 2 + 20 + 332 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123220332303) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18955849 + ... + 20089067.

It is an arithmetic number, because the mean of its divisors is an integer number (636598403793).

Almost surely, 2^{22123220332302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22123220332302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25463936151720).

22123220332302 is an abundant number, since it is smaller than the sum of its proper divisors (28804651971138).

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

22123220332302 is a wasteful number, since it uses less digits than its factorization.

22123220332302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136527 (or 1136518 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 22123220332302 its reverse (20323302232122), we get a palindrome (42446522564424).

The spelling of 22123220332302 in words is "twenty-two trillion, one hundred twenty-three billion, two hundred twenty million, three hundred thirty-two thousand, three hundred two".