22810050821 has 4 divisors (see below), whose sum is σ = 23545858944. Its totient is φ = 22074242700.

The previous prime is 22810050817. The next prime is 22810050827. The reversal of 22810050821 is 12805001822.

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 22810050821 - 2² = 22810050817 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 (22810050827) 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, 367904015 + ... + 367904076.

It is an arithmetic number, because the mean of its divisors is an integer number (5886464736).

Almost surely, 2^22810050821 is an apocalyptic number.

It is an amenable number.

22810050821 is a deficient number, since it is larger than the sum of its proper divisors (735808123).

22810050821 is an equidigital number, since it uses as much as digits as its factorization.

22810050821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735808122.

The product of its (nonzero) digits is 2560, while the sum is 29.

The spelling of 22810050821 in words is "twenty-two billion, eight hundred ten million, fifty thousand, eight hundred twenty-one".