22282518 has 8 divisors (see below), whose sum is σ = 44565048. Its totient is φ = 7427504.

The previous prime is 22282517. The next prime is 22282541. The reversal of 22282518 is 81528222.

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

22282518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22282511) 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, 1856871 + ... + 1856882.

It is an arithmetic number, because the mean of its divisors is an integer number (5570631).

Almost surely, 2^22282518 is an apocalyptic number.

22282518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22282518 is a wasteful number, since it uses less digits than its factorization.

22282518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713758.

The product of its digits is 5120, while the sum is 30.

The square root of 22282518 is about 4720.4362086570. The cubic root of 22282518 is about 281.3982692785.

The spelling of 22282518 in words is "twenty-two million, two hundred eighty-two thousand, five hundred eighteen".