22757250197 has 4 divisors (see below), whose sum is σ = 24826091136. Its totient is φ = 20688409260.

The previous prime is 22757250193. The next prime is 22757250199. The reversal of 22757250197 is 79105275722.

It is a happy number.

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 not a de Polignac number, because 22757250197 - 2² = 22757250193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22757250193) 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, 1034420453 + ... + 1034420474.

It is an arithmetic number, because the mean of its divisors is an integer number (6206522784).

Almost surely, 2^22757250197 is an apocalyptic number.

It is an amenable number.

22757250197 is a deficient number, since it is larger than the sum of its proper divisors (2068840939).

22757250197 is a wasteful number, since it uses less digits than its factorization.

22757250197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068840938.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 22757250197 in words is "twenty-two billion, seven hundred fifty-seven million, two hundred fifty thousand, one hundred ninety-seven".