22945985 has 8 divisors (see below), whose sum is σ = 28002240. Its totient is φ = 18045424.

The previous prime is 22945933. The next prime is 22945987. The reversal of 22945985 is 58954922.

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 22945985 - 2¹² = 22941889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22945987) 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, 38597 + ... + 39186.

It is an arithmetic number, because the mean of its divisors is an integer number (3500280).

Almost surely, 2^22945985 is an apocalyptic number.

It is an amenable number.

22945985 is a deficient number, since it is larger than the sum of its proper divisors (5056255).

22945985 is an equidigital number, since it uses as much as digits as its factorization.

22945985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77847.

The product of its digits is 259200, while the sum is 44.

The square root of 22945985 is about 4790.1967600507. The cubic root of 22945985 is about 284.1638981545.

The spelling of 22945985 in words is "twenty-two million, nine hundred forty-five thousand, nine hundred eighty-five".