22275445 has 8 divisors (see below), whose sum is σ = 26923680. Its totient is φ = 17691600.

The previous prime is 22275437. The next prime is 22275493. The reversal of 22275445 is 54457222.

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

It is not a de Polignac number, because 22275445 - 2³ = 22275437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15331 + ... + 16720.

It is an arithmetic number, because the mean of its divisors is an integer number (3365460).

Almost surely, 2^22275445 is an apocalyptic number.

It is an amenable number.

22275445 is a deficient number, since it is larger than the sum of its proper divisors (4648235).

22275445 is a wasteful number, since it uses less digits than its factorization.

22275445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32195.

The product of its digits is 22400, while the sum is 31.

The square root of 22275445 is about 4719.6869599583. The cubic root of 22275445 is about 281.3684919648.

The spelling of 22275445 in words is "twenty-two million, two hundred seventy-five thousand, four hundred forty-five".