22144032330 has 64 divisors (see below), whose sum is σ = 60782946048. Its totient is φ = 5057740800.

The previous prime is 22144032289. The next prime is 22144032331. The reversal of 22144032330 is 3323044122.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22144032330.

It is not an unprimeable number, because it can be changed into a prime (22144032331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249930 + ... + 326730.

It is an arithmetic number, because the mean of its divisors is an integer number (949733532).

Almost surely, 2^22144032330 is an apocalyptic number.

22144032330 is an abundant number, since it is smaller than the sum of its proper divisors (38638913718).

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

22144032330 is a wasteful number, since it uses less digits than its factorization.

22144032330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78191.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22144032330 its reverse (3323044122), we get a palindrome (25467076452).

The spelling of 22144032330 in words is "twenty-two billion, one hundred forty-four million, thirty-two thousand, three hundred thirty".