22274917573 has 4 divisors (see below), whose sum is σ = 23585206860. Its totient is φ = 20964628288.

The previous prime is 22274917531. The next prime is 22274917589. The reversal of 22274917573 is 37571947222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18378411489 + 3896506084 = 135567^2 + 62422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22274917573 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22274917523) 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, 655144618 + ... + 655144651.

It is an arithmetic number, because the mean of its divisors is an integer number (5896301715).

Almost surely, 2^22274917573 is an apocalyptic number.

It is an amenable number.

22274917573 is a deficient number, since it is larger than the sum of its proper divisors (1310289287).

22274917573 is a wasteful number, since it uses less digits than its factorization.

22274917573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310289286.

The product of its digits is 1481760, while the sum is 49.

The spelling of 22274917573 in words is "twenty-two billion, two hundred seventy-four million, nine hundred seventeen thousand, five hundred seventy-three".