22549339 has 4 divisors (see below), whose sum is σ = 22679856. Its totient is φ = 22418824.

The previous prime is 22549337. The next prime is 22549349. The reversal of 22549339 is 93394522.

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

It is a cyclic number.

It is not a de Polignac number, because 22549339 - 2¹ = 22549337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22549298 and 22549307.

It is not an unprimeable number, because it can be changed into a prime (22549337) 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, 64999 + ... + 65344.

It is an arithmetic number, because the mean of its divisors is an integer number (5669964).

Almost surely, 2^22549339 is an apocalyptic number.

22549339 is a deficient number, since it is larger than the sum of its proper divisors (130517).

22549339 is a wasteful number, since it uses less digits than its factorization.

22549339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130516.

The product of its digits is 58320, while the sum is 37.

The square root of 22549339 is about 4748.6144294941. The cubic root of 22549339 is about 282.5170125761.

The spelling of 22549339 in words is "twenty-two million, five hundred forty-nine thousand, three hundred thirty-nine".