22725286 has 8 divisors (see below), whose sum is σ = 34337160. Its totient is φ = 11279568.

The previous prime is 22725281. The next prime is 22725341. The reversal of 22725286 is 68252722.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22725281) 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, 41196 + ... + 41743.

It is an arithmetic number, because the mean of its divisors is an integer number (4292145).

Almost surely, 2^22725286 is an apocalyptic number.

22725286 is a deficient number, since it is larger than the sum of its proper divisors (11611874).

22725286 is a wasteful number, since it uses less digits than its factorization.

22725286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83078.

The product of its digits is 26880, while the sum is 34.

The square root of 22725286 is about 4767.1045719598. The cubic root of 22725286 is about 283.2499134655.

The spelling of 22725286 in words is "twenty-two million, seven hundred twenty-five thousand, two hundred eighty-six".