22572640771 has 4 divisors (see below), whose sum is σ = 22579151200. Its totient is φ = 22566130344.

The previous prime is 22572640763. The next prime is 22572640823. The reversal of 22572640771 is 17704627522.

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 22572640771 - 2³ = 22572640763 is a prime.

It is a super-2 number, since 2×22572640771² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22572644771) 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, 3250011 + ... + 3256948.

It is an arithmetic number, because the mean of its divisors is an integer number (5644787800).

Almost surely, 2^22572640771 is an apocalyptic number.

22572640771 is a deficient number, since it is larger than the sum of its proper divisors (6510429).

22572640771 is an equidigital number, since it uses as much as digits as its factorization.

22572640771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6510428.

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 22572640771 in words is "twenty-two billion, five hundred seventy-two million, six hundred forty thousand, seven hundred seventy-one".