22140486 has 16 divisors (see below), whose sum is σ = 49201200. Its totient is φ = 7380144.

The previous prime is 22140449. The next prime is 22140493. The reversal of 22140486 is 68404122.

It is a super-3 number, since 3×22140486³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204951 + ... + 205058.

It is an arithmetic number, because the mean of its divisors is an integer number (3075075).

Almost surely, 2^22140486 is an apocalyptic number.

22140486 is an abundant number, since it is smaller than the sum of its proper divisors (27060714).

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

22140486 is a wasteful number, since it uses less digits than its factorization.

22140486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410020 (or 410014 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22140486 is about 4705.3677858378. The cubic root of 22140486 is about 280.7991032918.

The spelling of 22140486 in words is "twenty-two million, one hundred forty thousand, four hundred eighty-six".