22283140 has 24 divisors (see below), whose sum is σ = 51049152. Its totient is φ = 8102880.

The previous prime is 22283111. The next prime is 22283147. The reversal of 22283140 is 4138222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22283147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50424 + ... + 50863.

It is an arithmetic number, because the mean of its divisors is an integer number (2127048).

Almost surely, 2^22283140 is an apocalyptic number.

22283140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22283140 is an abundant number, since it is smaller than the sum of its proper divisors (28766012).

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

22283140 is a wasteful number, since it uses less digits than its factorization.

22283140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101307 (or 101305 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 22283140 is about 4720.5020919389. The cubic root of 22283140 is about 281.4008875956.

The spelling of 22283140 in words is "twenty-two million, two hundred eighty-three thousand, one hundred forty".