22247573 has 8 divisors (see below), whose sum is σ = 22619520. Its totient is φ = 21878800.

The previous prime is 22247557. The next prime is 22247587. The reversal of 22247573 is 37574222.

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

It is a cyclic number.

It is not a de Polignac number, because 22247573 - 2⁴ = 22247557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22247273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16208 + ... + 17526.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^22247573 is an apocalyptic number.

It is an amenable number.

22247573 is a deficient number, since it is larger than the sum of its proper divisors (371947).

22247573 is a wasteful number, since it uses less digits than its factorization.

22247573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587.

The product of its digits is 23520, while the sum is 32.

The square root of 22247573 is about 4716.7332975270. The cubic root of 22247573 is about 281.2510895102.

The spelling of 22247573 in words is "twenty-two million, two hundred forty-seven thousand, five hundred seventy-three".