22812445 has 8 divisors (see below), whose sum is σ = 28815840. Its totient is φ = 17289360.

The previous prime is 22812443. The next prime is 22812451. The reversal of 22812445 is 54421822.

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

It is not a de Polignac number, because 22812445 - 2¹ = 22812443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22812443) 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, 119971 + ... + 120160.

It is an arithmetic number, because the mean of its divisors is an integer number (3601980).

Almost surely, 2^22812445 is an apocalyptic number.

It is an amenable number.

22812445 is a deficient number, since it is larger than the sum of its proper divisors (6003395).

22812445 is a wasteful number, since it uses less digits than its factorization.

22812445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240155.

The product of its digits is 5120, while the sum is 28.

The square root of 22812445 is about 4776.2375359691. The cubic root of 22812445 is about 283.6115705839.

The spelling of 22812445 in words is "twenty-two million, eight hundred twelve thousand, four hundred forty-five".