22118010 has 32 divisors (see below), whose sum is σ = 54915840. Its totient is φ = 5694528.

The previous prime is 22117961. The next prime is 22118011. The reversal of 22118010 is 1081122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (22118011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11842 + ... + 13581.

It is an arithmetic number, because the mean of its divisors is an integer number (1716120).

Almost surely, 2^22118010 is an apocalyptic number.

22118010 is an abundant number, since it is smaller than the sum of its proper divisors (32797830).

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

22118010 is a wasteful number, since it uses less digits than its factorization.

22118010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25462.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 22118010 is about 4702.9788432439. The cubic root of 22118010 is about 280.7040530223.

Adding to 22118010 its reverse (1081122), we get a palindrome (23199132).

The spelling of 22118010 in words is "twenty-two million, one hundred eighteen thousand, ten".