22097306 has 16 divisors (see below), whose sum is σ = 41325120. Its totient is φ = 8609280.

The previous prime is 22097291. The next prime is 22097351. The reversal of 22097306 is 60379022.

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, 71591 + ... + 71898.

It is an arithmetic number, because the mean of its divisors is an integer number (2582820).

Almost surely, 2^22097306 is an apocalyptic number.

22097306 is a deficient number, since it is larger than the sum of its proper divisors (19227814).

22097306 is a wasteful number, since it uses less digits than its factorization.

22097306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143509.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 22097306 is about 4700.7771697880. Note that the first 3 decimals coincide. The cubic root of 22097306 is about 280.6164394887.

The spelling of 22097306 in words is "twenty-two million, ninety-seven thousand, three hundred six".