22137988773 has 8 divisors (see below), whose sum is σ = 30800680128. Its totient is φ = 14116978304.

The previous prime is 22137988771. The next prime is 22137988843. The reversal of 22137988773 is 37788973122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22137988773 - 2¹ = 22137988771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22137988771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160420140 + ... + 160420277.

It is an arithmetic number, because the mean of its divisors is an integer number (3850085016).

Almost surely, 2^22137988773 is an apocalyptic number.

22137988773 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22137988773 is a deficient number, since it is larger than the sum of its proper divisors (8662691355).

22137988773 is a wasteful number, since it uses less digits than its factorization.

22137988773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320840443.

The product of its digits is 7112448, while the sum is 57.

The spelling of 22137988773 in words is "twenty-two billion, one hundred thirty-seven million, nine hundred eighty-eight thousand, seven hundred seventy-three".