22075645 has 8 divisors (see below), whose sum is σ = 26530560. Its totient is φ = 17634000.

The previous prime is 22075637. The next prime is 22075657. The reversal of 22075645 is 54657022.

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

It is not a de Polignac number, because 22075645 - 2³ = 22075637 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, 816 + ... + 6694.

It is an arithmetic number, because the mean of its divisors is an integer number (3316320).

Almost surely, 2^22075645 is an apocalyptic number.

It is an amenable number.

22075645 is a deficient number, since it is larger than the sum of its proper divisors (4454915).

22075645 is an equidigital number, since it uses as much as digits as its factorization.

22075645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 22075645 is about 4698.4726241620. The cubic root of 22075645 is about 280.5247176001.

The spelling of 22075645 in words is "twenty-two million, seventy-five thousand, six hundred forty-five".