22047450527 has 4 divisors (see below), whose sum is σ = 23207842680. Its totient is φ = 20887058376.

The previous prime is 22047450521. The next prime is 22047450541. The reversal of 22047450527 is 72505474022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22047450527 - 2¹² = 22047446431 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 (22047450521) 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, 580196048 + ... + 580196085.

It is an arithmetic number, because the mean of its divisors is an integer number (5801960670).

Almost surely, 2^22047450527 is an apocalyptic number.

22047450527 is a deficient number, since it is larger than the sum of its proper divisors (1160392153).

22047450527 is a wasteful number, since it uses less digits than its factorization.

22047450527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160392152.

The product of its (nonzero) digits is 156800, while the sum is 38.

The spelling of 22047450527 in words is "twenty-two billion, forty-seven million, four hundred fifty thousand, five hundred twenty-seven".