22122004233 has 16 divisors (see below), whose sum is σ = 35175361536. Its totient is φ = 12091530000.

The previous prime is 22122004231. The next prime is 22122004241. The reversal of 22122004233 is 33240022122.

It is not a de Polignac number, because 22122004233 - 2¹ = 22122004231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22122004231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22900143 + ... + 22901108.

It is an arithmetic number, because the mean of its divisors is an integer number (2198460096).

Almost surely, 2^22122004233 is an apocalyptic number.

22122004233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22122004233 is a deficient number, since it is larger than the sum of its proper divisors (13053357303).

22122004233 is a wasteful number, since it uses less digits than its factorization.

22122004233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45801284.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22122004233 its reverse (33240022122), we get a palindrome (55362026355).

The spelling of 22122004233 in words is "twenty-two billion, one hundred twenty-two million, four thousand, two hundred thirty-three".