22381269842857 has 4 divisors (see below), whose sum is σ = 22453235341056. Its totient is φ = 22309304344660.

The previous prime is 22381269842843. The next prime is 22381269842941. The reversal of 22381269842857 is 75824896218322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22381269842857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22381269842792 and 22381269842801.

It is not an unprimeable number, because it can be changed into a prime (22381269840857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35982748633 + ... + 35982749254.

It is an arithmetic number, because the mean of its divisors is an integer number (5613308835264).

Almost surely, 2^{22381269842857} is an apocalyptic number.

It is an amenable number.

22381269842857 is a deficient number, since it is larger than the sum of its proper divisors (71965498199).

22381269842857 is an equidigital number, since it uses as much as digits as its factorization.

22381269842857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71965498198.

The product of its digits is 185794560, while the sum is 67.

The spelling of 22381269842857 in words is "twenty-two trillion, three hundred eighty-one billion, two hundred sixty-nine million, eight hundred forty-two thousand, eight hundred fifty-seven".