22146337732 has 18 divisors (see below), whose sum is σ = 39004691082. Its totient is φ = 11002590144.

The previous prime is 22146337729. The next prime is 22146337777. The reversal of 22146337732 is 23773364122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 57244356 + 22089093376 = 7566^2 + 148624^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13713 + ... + 210904.

Almost surely, 2^22146337732 is an apocalyptic number.

It is an amenable number.

22146337732 is a deficient number, since it is larger than the sum of its proper divisors (16858353350).

22146337732 is a wasteful number, since it uses less digits than its factorization.

22146337732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224935 (or 224776 counting only the distinct ones).

The product of its digits is 254016, while the sum is 40.

The spelling of 22146337732 in words is "twenty-two billion, one hundred forty-six million, three hundred thirty-seven thousand, seven hundred thirty-two".