22544961 has 8 divisors (see below), whose sum is σ = 30119520. Its totient is φ = 15000192.

The previous prime is 22544953. The next prime is 22544983. The reversal of 22544961 is 16944522.

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

It is not a de Polignac number, because 22544961 - 2³ = 22544953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22546961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5616 + ... + 8753.

It is an arithmetic number, because the mean of its divisors is an integer number (3764940).

Almost surely, 2^22544961 is an apocalyptic number.

It is an amenable number.

22544961 is a deficient number, since it is larger than the sum of its proper divisors (7574559).

22544961 is a wasteful number, since it uses less digits than its factorization.

22544961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14895.

The product of its digits is 17280, while the sum is 33.

The square root of 22544961 is about 4748.1534305454. The cubic root of 22544961 is about 282.4987276420.

The spelling of 22544961 in words is "twenty-two million, five hundred forty-four thousand, nine hundred sixty-one".