22553849 has 6 divisors (see below), whose sum is σ = 23958894. Its totient is φ = 21226880.

The previous prime is 22553827. The next prime is 22553873. The reversal of 22553849 is 94835522.

It can be written as a sum of positive squares in 3 ways, for example, as 4644025 + 17909824 = 2155^2 + 4232^2 .

It is not a de Polignac number, because 22553849 - 2¹⁶ = 22488313 is a prime.

It is a super-2 number, since 2×22553849² = 1017352209429602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22553819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38732 + ... + 39309.

It is an arithmetic number, because the mean of its divisors is an integer number (3993149).

Almost surely, 2^22553849 is an apocalyptic number.

It is an amenable number.

22553849 is a deficient number, since it is larger than the sum of its proper divisors (1405045).

22553849 is an equidigital number, since it uses as much as digits as its factorization.

22553849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78075 (or 78058 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 22553849 is about 4749.0892811149. The cubic root of 22553849 is about 282.5358463401.

The spelling of 22553849 in words is "twenty-two million, five hundred fifty-three thousand, eight hundred forty-nine".