22133051644 has 24 divisors (see below), whose sum is σ = 43051257648. Its totient is φ = 9870656640.

The previous prime is 22133051609. The next prime is 22133051653. The reversal of 22133051644 is 44615033122.

It is a super-2 number, since 2×22133051644² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4743177 + ... + 4747840.

It is an arithmetic number, because the mean of its divisors is an integer number (1793802402).

Almost surely, 2^22133051644 is an apocalyptic number.

It is an amenable number.

22133051644 is a deficient number, since it is larger than the sum of its proper divisors (20918206004).

22133051644 is a wasteful number, since it uses less digits than its factorization.

22133051644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9491085 (or 9491083 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 22133051644 its reverse (44615033122), we get a palindrome (66748084766).

The spelling of 22133051644 in words is "twenty-two billion, one hundred thirty-three million, fifty-one thousand, six hundred forty-four".