22747132357 has 8 divisors (see below), whose sum is σ = 23383335416. Its totient is φ = 22112056512.

The previous prime is 22747132339. The next prime is 22747132361. The reversal of 22747132357 is 75323174722.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11983899841 + 10763232516 = 109471^2 + 103746^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22747132357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22747132307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240798 + ... + 321679.

It is an arithmetic number, because the mean of its divisors is an integer number (2922916927).

Almost surely, 2^22747132357 is an apocalyptic number.

It is an amenable number.

22747132357 is a deficient number, since it is larger than the sum of its proper divisors (636203059).

22747132357 is a wasteful number, since it uses less digits than its factorization.

22747132357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563607.

The product of its digits is 493920, while the sum is 43.

The spelling of 22747132357 in words is "twenty-two billion, seven hundred forty-seven million, one hundred thirty-two thousand, three hundred fifty-seven".