18514422 has 12 divisors (see below), whose sum is σ = 40114620. Its totient is φ = 6171468.

The previous prime is 18514399. The next prime is 18514423. The reversal of 18514422 is 22441581.

It is a super-3 number, since 3×18514422³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18514423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 514272 + ... + 514307.

It is an arithmetic number, because the mean of its divisors is an integer number (3342885).

Almost surely, 2^18514422 is an apocalyptic number.

18514422 is an abundant number, since it is smaller than the sum of its proper divisors (21600198).

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

18514422 is a wasteful number, since it uses less digits than its factorization.

18514422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028587 (or 1028584 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 18514422 is about 4302.8388303537. The cubic root of 18514422 is about 264.5473321026.

The spelling of 18514422 in words is "eighteen million, five hundred fourteen thousand, four hundred twenty-two".