22973505 has 8 divisors (see below), whose sum is σ = 36757632. Its totient is φ = 12252528.

The previous prime is 22973501. The next prime is 22973507. The reversal of 22973505 is 50537922.

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

It is not a de Polignac number, because 22973505 - 2² = 22973501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22973501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765769 + ... + 765798.

It is an arithmetic number, because the mean of its divisors is an integer number (4594704).

Almost surely, 2^22973505 is an apocalyptic number.

It is an amenable number.

22973505 is a deficient number, since it is larger than the sum of its proper divisors (13784127).

22973505 is a wasteful number, since it uses less digits than its factorization.

22973505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531575.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 22973505 is about 4793.0684326431. The cubic root of 22973505 is about 284.2774556565.

The spelling of 22973505 in words is "twenty-two million, nine hundred seventy-three thousand, five hundred five".