22916260819 has 4 divisors (see below), whose sum is σ = 22916624944. Its totient is φ = 22915896696.

The previous prime is 22916260817. The next prime is 22916260823. The reversal of 22916260819 is 91806261922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91806261922 = 2 ⋅45903130961.

It is a cyclic number.

It is not a de Polignac number, because 22916260819 - 2¹ = 22916260817 is a prime.

It is a super-2 number, since 2×22916260819² (a number of 22 digits) contains 22 as substring.

It is a deceptive number, since it divides R_22916260818.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22916260817) 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, 60687 + ... + 222520.

It is an arithmetic number, because the mean of its divisors is an integer number (5729156236).

Almost surely, 2^22916260819 is an apocalyptic number.

22916260819 is the 80917-th nonagonal number.

22916260819 is a deficient number, since it is larger than the sum of its proper divisors (364125).

22916260819 is an equidigital number, since it uses as much as digits as its factorization.

22916260819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364124.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 22916260819 in words is "twenty-two billion, nine hundred sixteen million, two hundred sixty thousand, eight hundred nineteen".