22366049 has 4 divisors (see below), whose sum is σ = 22399764. Its totient is φ = 22332336.

The previous prime is 22366013. The next prime is 22366087. The reversal of 22366049 is 94066322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10758400 + 11607649 = 3280^2 + 3407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22366049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22356049) 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, 15842 + ... + 17195.

It is an arithmetic number, because the mean of its divisors is an integer number (5599941).

Almost surely, 2^22366049 is an apocalyptic number.

It is an amenable number.

22366049 is a deficient number, since it is larger than the sum of its proper divisors (33715).

22366049 is an equidigital number, since it uses as much as digits as its factorization.

22366049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33714.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 22366049 is about 4729.2757373619. The cubic root of 22366049 is about 281.7494589122.

The spelling of 22366049 in words is "twenty-two million, three hundred sixty-six thousand, forty-nine".