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22283139 = 337367547
BaseRepresentation
bin101010100000…
…0001110000011
31112221002201110
41111000032003
521201030024
62113334403
7360255264
oct125001603
945832643
1022283139
111163a71a
127567403
1348026b8
142d6096b
151e52629
hex1540383

22283139 has 16 divisors (see below), whose sum is σ = 30652928. Its totient is φ = 14388192.

The previous prime is 22283111. The next prime is 22283147. The reversal of 22283139 is 93138222.

It is a happy number.

It is not a de Polignac number, because 22283139 - 27 = 22283011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22283539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40464 + ... + 41010.

It is an arithmetic number, because the mean of its divisors is an integer number (1915808).

Almost surely, 222283139 is an apocalyptic number.

22283139 is a deficient number, since it is larger than the sum of its proper divisors (8369789).

22283139 is a wasteful number, since it uses less digits than its factorization.

22283139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its digits is 5184, while the sum is 30.

The square root of 22283139 is about 4720.5019860180. The cubic root of 22283139 is about 281.4008833862.

It can be divided in two parts, 22283 and 139, that added together give a palindrome (22422).

The spelling of 22283139 in words is "twenty-two million, two hundred eighty-three thousand, one hundred thirty-nine".

Divisors: 1 3 37 111 367 547 1101 1641 13579 20239 40737 60717 200749 602247 7427713 22283139