22700818 has 24 divisors (see below), whose sum is σ = 40539312. Its totient is φ = 9500904.

The previous prime is 22700807. The next prime is 22700827. The reversal of 22700818 is 81800722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1521 + ... + 6907.

It is an arithmetic number, because the mean of its divisors is an integer number (1689138).

Almost surely, 2^22700818 is an apocalyptic number.

22700818 is a deficient number, since it is larger than the sum of its proper divisors (17838494).

22700818 is a wasteful number, since it uses less digits than its factorization.

22700818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446 (or 5439 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 22700818 is about 4764.5375431410. The cubic root of 22700818 is about 283.1482198760.

The spelling of 22700818 in words is "twenty-two million, seven hundred thousand, eight hundred eighteen".