22818051 has 16 divisors (see below), whose sum is σ = 34283520. Its totient is φ = 14996520.

The previous prime is 22818049. The next prime is 22818067. The reversal of 22818051 is 15081822.

It is not a de Polignac number, because 22818051 - 2¹ = 22818049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22818091) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4035 + ... + 7868.

It is an arithmetic number, because the mean of its divisors is an integer number (2142720).

Almost surely, 2^22818051 is an apocalyptic number.

22818051 is a deficient number, since it is larger than the sum of its proper divisors (11465469).

22818051 is a wasteful number, since it uses less digits than its factorization.

22818051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11983 (or 11977 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 22818051 is about 4776.8243635286. The cubic root of 22818051 is about 283.6348005394.

Adding to 22818051 its reverse (15081822), we get a palindrome (37899873).

The spelling of 22818051 in words is "twenty-two million, eight hundred eighteen thousand, fifty-one".