22998218 has 16 divisors (see below), whose sum is σ = 36840960. Its totient is φ = 10743600.

The previous prime is 22998203. The next prime is 22998233. The reversal of 22998218 is 81289922.

It is an interprime number because it is at equal distance from previous prime (22998203) and next prime (22998233).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4598 + ... + 8193.

It is an arithmetic number, because the mean of its divisors is an integer number (2302560).

Almost surely, 2^22998218 is an apocalyptic number.

22998218 is a deficient number, since it is larger than the sum of its proper divisors (13842742).

22998218 is a wasteful number, since it uses less digits than its factorization.

22998218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853.

The product of its digits is 41472, while the sum is 41.

The square root of 22998218 is about 4795.6457333711. The cubic root of 22998218 is about 284.3793531999.

The spelling of 22998218 in words is "twenty-two million, nine hundred ninety-eight thousand, two hundred eighteen".