22468518 has 24 divisors (see below), whose sum is σ = 49370256. Its totient is φ = 7383600.

The previous prime is 22468513. The next prime is 22468519. The reversal of 22468518 is 81586422.

It is a super-2 number, since 2×22468518² = 1009668602232648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22468513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7513 + ... + 10068.

It is an arithmetic number, because the mean of its divisors is an integer number (2057094).

Almost surely, 2^22468518 is an apocalyptic number.

22468518 is an abundant number, since it is smaller than the sum of its proper divisors (26901738).

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

22468518 is a wasteful number, since it uses less digits than its factorization.

22468518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17660 (or 17657 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 22468518 is about 4740.0968344539. The cubic root of 22468518 is about 282.1790774446.

The spelling of 22468518 in words is "twenty-two million, four hundred sixty-eight thousand, five hundred eighteen".