22806836449 has 4 divisors (see below), whose sum is σ = 22807154880. Its totient is φ = 22806518020.

The previous prime is 22806836411. The next prime is 22806836453. The reversal of 22806836449 is 94463860822.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22806836449 - 2¹³ = 22806828257 is a prime.

It is a super-2 number, since 2×22806836449² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22806836396 and 22806836405.

It is not an unprimeable number, because it can be changed into a prime (22806836849) 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, 3972 + ... + 213610.

It is an arithmetic number, because the mean of its divisors is an integer number (5701788720).

Almost surely, 2^22806836449 is an apocalyptic number.

It is an amenable number.

22806836449 is a deficient number, since it is larger than the sum of its proper divisors (318431).

22806836449 is a wasteful number, since it uses less digits than its factorization.

22806836449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318430.

The product of its (nonzero) digits is 3981312, while the sum is 52.

The spelling of 22806836449 in words is "twenty-two billion, eight hundred six million, eight hundred thirty-six thousand, four hundred forty-nine".