22756849 has 8 divisors (see below), whose sum is σ = 23208768. Its totient is φ = 22308720.

The previous prime is 22756787. The next prime is 22756859. The reversal of 22756849 is 94865722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22756849 - 2⁹ = 22756337 is a prime.

It is a super-3 number, since 3×22756849³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22756859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13174 + ... + 14800.

It is an arithmetic number, because the mean of its divisors is an integer number (2901096).

Almost surely, 2^22756849 is an apocalyptic number.

It is an amenable number.

22756849 is a deficient number, since it is larger than the sum of its proper divisors (451919).

22756849 is a wasteful number, since it uses less digits than its factorization.

22756849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895.

The product of its digits is 241920, while the sum is 43.

The square root of 22756849 is about 4770.4139233404. The cubic root of 22756849 is about 283.3809874478.

The spelling of 22756849 in words is "twenty-two million, seven hundred fifty-six thousand, eight hundred forty-nine".