22850140 has 12 divisors (see below), whose sum is σ = 47985336. Its totient is φ = 9140048.

The previous prime is 22850137. The next prime is 22850147. The reversal of 22850140 is 4105822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22850147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571234 + ... + 571273.

It is an arithmetic number, because the mean of its divisors is an integer number (3998778).

Almost surely, 2^22850140 is an apocalyptic number.

22850140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22850140 is an abundant number, since it is smaller than the sum of its proper divisors (25135196).

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

22850140 is a wasteful number, since it uses less digits than its factorization.

22850140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142516 (or 1142514 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 22850140 is about 4780.1820049032. The cubic root of 22850140 is about 283.7676966975.

Adding to 22850140 its reverse (4105822), we get a palindrome (26955962).

The spelling of 22850140 in words is "twenty-two million, eight hundred fifty thousand, one hundred forty".