22860091 has 8 divisors (see below), whose sum is σ = 24677280. Its totient is φ = 21111552.

The previous prime is 22860073. The next prime is 22860107. The reversal of 22860091 is 19006822.

It is a happy number.

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 22860091 - 2⁹ = 22859579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22860031) 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, 16470 + ... + 17803.

It is an arithmetic number, because the mean of its divisors is an integer number (3084660).

Almost surely, 2^22860091 is an apocalyptic number.

22860091 is a deficient number, since it is larger than the sum of its proper divisors (1817189).

22860091 is a wasteful number, since it uses less digits than its factorization.

22860091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34325.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 22860091 is about 4781.2227515563. Note that the first 3 decimals coincide. The cubic root of 22860091 is about 283.8088833531.

The spelling of 22860091 in words is "twenty-two million, eight hundred sixty thousand, ninety-one".