38222644399 has 16 divisors (see below), whose sum is σ = 41824373760. Its totient is φ = 34773943680.

The previous prime is 38222644373. The next prime is 38222644403. The reversal of 38222644399 is 99344622283.

It is a cyclic number.

It is not a de Polignac number, because 38222644399 - 2²³ = 38214255791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38222644349) 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, 424272 + ... + 506410.

It is an arithmetic number, because the mean of its divisors is an integer number (2614023360).

Almost surely, 2^38222644399 is an apocalyptic number.

38222644399 is a deficient number, since it is larger than the sum of its proper divisors (3601729361).

38222644399 is a wasteful number, since it uses less digits than its factorization.

38222644399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83070.

The product of its digits is 4478976, while the sum is 52.

The spelling of 38222644399 in words is "thirty-eight billion, two hundred twenty-two million, six hundred forty-four thousand, three hundred ninety-nine".