22037879493 has 32 divisors (see below), whose sum is σ = 37924517120. Its totient is φ = 12386623680.

The previous prime is 22037879489. The next prime is 22037879531. The reversal of 22037879493 is 39497873022.

22037879493 is a `hidden beast` number, since 220 + 378 + 7 + 9 + 49 + 3 = 666.

It is not a de Polignac number, because 22037879493 - 2² = 22037879489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22037879443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944230 + ... + 967287.

It is an arithmetic number, because the mean of its divisors is an integer number (1185141160).

Almost surely, 2^22037879493 is an apocalyptic number.

It is an amenable number.

22037879493 is a deficient number, since it is larger than the sum of its proper divisors (15886637627).

22037879493 is a wasteful number, since it uses less digits than its factorization.

22037879493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911594 (or 1911588 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 22037879493 in words is "twenty-two billion, thirty-seven million, eight hundred seventy-nine thousand, four hundred ninety-three".