Search a number
-
+
22019887227 = 3131929716447
BaseRepresentation
bin10100100000011111…
…001101000001111011
32002211121022011121210
4110200133031001323
5330044042342402
614041002334203
71406446644642
oct244037150173
962747264553
1022019887227
11937a71a208
1243264ba363
1320cbcc5c90
1410cc67a359
1588d25b06c
hex5207cd07b

22019887227 has 16 divisors (see below), whose sum is σ = 33282421760. Its totient is φ = 12837504672.

The previous prime is 22019887217. The next prime is 22019887229. The reversal of 22019887227 is 72278891022.

It is not a de Polignac number, because 22019887227 - 28 = 22019886971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22019887229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14857483 + ... + 14858964.

It is an arithmetic number, because the mean of its divisors is an integer number (2080151360).

Almost surely, 222019887227 is an apocalyptic number.

22019887227 is a deficient number, since it is larger than the sum of its proper divisors (11262534533).

22019887227 is a wasteful number, since it uses less digits than its factorization.

22019887227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29716482.

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 22019887227 in words is "twenty-two billion, nineteen million, eight hundred eighty-seven thousand, two hundred twenty-seven".

Divisors: 1 3 13 19 39 57 247 741 29716447 89149341 386313811 564612493 1158941433 1693837479 7339962409 22019887227