22549801 has 4 divisors (see below), whose sum is σ = 23029632. Its totient is φ = 22069972.

The previous prime is 22549799. The next prime is 22549819. The reversal of 22549801 is 10894522.

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.

It is a cyclic number.

It is not a de Polignac number, because 22549801 - 2¹ = 22549799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22549861) 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, 239845 + ... + 239938.

It is an arithmetic number, because the mean of its divisors is an integer number (5757408).

Almost surely, 2^22549801 is an apocalyptic number.

It is an amenable number.

22549801 is a deficient number, since it is larger than the sum of its proper divisors (479831).

22549801 is an equidigital number, since it uses as much as digits as its factorization.

22549801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479830.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 22549801 is about 4748.6630750139. The cubic root of 22549801 is about 282.5189420040.

The spelling of 22549801 in words is "twenty-two million, five hundred forty-nine thousand, eight hundred one".