22812245 has 8 divisors (see below), whose sum is σ = 27405216. Its totient is φ = 18229456.

The previous prime is 22812233. The next prime is 22812247. The reversal of 22812245 is 54221822.

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 22812245 - 2²⁰ = 21763669 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 (22812247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3854 + ... + 7776.

It is an arithmetic number, because the mean of its divisors is an integer number (3425652).

Almost surely, 2^22812245 is an apocalyptic number.

It is an amenable number.

22812245 is a deficient number, since it is larger than the sum of its proper divisors (4592971).

22812245 is a wasteful number, since it uses less digits than its factorization.

22812245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091.

The product of its digits is 2560, while the sum is 26.

The square root of 22812245 is about 4776.2165989410. The cubic root of 22812245 is about 283.6107417603.

The spelling of 22812245 in words is "twenty-two million, eight hundred twelve thousand, two hundred forty-five".