22648618 has 8 divisors (see below), whose sum is σ = 34084512. Its totient is φ = 11287116.

The previous prime is 22648603. The next prime is 22648621. The reversal of 22648618 is 81684622.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17830 + ... + 19057.

It is an arithmetic number, because the mean of its divisors is an integer number (4260564).

Almost surely, 2^22648618 is an apocalyptic number.

22648618 is a deficient number, since it is larger than the sum of its proper divisors (11435894).

22648618 is a wasteful number, since it uses less digits than its factorization.

22648618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37196.

The product of its digits is 36864, while the sum is 37.

The square root of 22648618 is about 4759.0564190814. The cubic root of 22648618 is about 282.9310224078.

The spelling of 22648618 in words is "twenty-two million, six hundred forty-eight thousand, six hundred eighteen".