22916459 has 4 divisors (see below), whose sum is σ = 24264504. Its totient is φ = 21568416.

The previous prime is 22916447. The next prime is 22916461. The reversal of 22916459 is 95461922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95461922 = 2 ⋅47730961.

It is a cyclic number.

It is not a de Polignac number, because 22916459 - 2⁸ = 22916203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22916429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673997 + ... + 674030.

It is an arithmetic number, because the mean of its divisors is an integer number (6066126).

Almost surely, 2^22916459 is an apocalyptic number.

22916459 is a deficient number, since it is larger than the sum of its proper divisors (1348045).

22916459 is a wasteful number, since it uses less digits than its factorization.

22916459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348044.

The product of its digits is 38880, while the sum is 38.

The square root of 22916459 is about 4787.1138486566. The cubic root of 22916459 is about 284.0419621591.

The spelling of 22916459 in words is "twenty-two million, nine hundred sixteen thousand, four hundred fifty-nine".