22707364821 has 4 divisors (see below), whose sum is σ = 30276486432. Its totient is φ = 15138243212.

The previous prime is 22707364811. The next prime is 22707364861. The reversal of 22707364821 is 12846370722.

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 22707364821 - 2⁵ = 22707364789 is a prime.

It is a super-2 number, since 2×22707364821² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22707364811) 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, 3784560801 + ... + 3784560806.

It is an arithmetic number, because the mean of its divisors is an integer number (7569121608).

Almost surely, 2^22707364821 is an apocalyptic number.

It is an amenable number.

22707364821 is a deficient number, since it is larger than the sum of its proper divisors (7569121611).

22707364821 is an equidigital number, since it uses as much as digits as its factorization.

22707364821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569121610.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 22707364821 in words is "twenty-two billion, seven hundred seven million, three hundred sixty-four thousand, eight hundred twenty-one".