22151050023 has 4 divisors (see below), whose sum is σ = 29534733368. Its totient is φ = 14767366680.

The previous prime is 22151050021. The next prime is 22151050037. The reversal of 22151050023 is 32005015122.

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

It is not a de Polignac number, because 22151050023 - 2¹ = 22151050021 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 (22151050021) 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, 3691841668 + ... + 3691841673.

It is an arithmetic number, because the mean of its divisors is an integer number (7383683342).

Almost surely, 2^22151050023 is an apocalyptic number.

22151050023 is a deficient number, since it is larger than the sum of its proper divisors (7383683345).

22151050023 is an equidigital number, since it uses as much as digits as its factorization.

22151050023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383683344.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 22151050023 its reverse (32005015122), we get a palindrome (54156065145).

The spelling of 22151050023 in words is "twenty-two billion, one hundred fifty-one million, fifty thousand, twenty-three".