Search a number
-
+
2122423444 = 22864761363
BaseRepresentation
bin111111010000001…
…1001110010010100
312110220201021121201
41332200121302110
513321320022234
6550334522244
7103411205311
oct17640316224
95426637551
102122423444
1199a064169
124b2966384
1327a93c37b
14161c45d08
15c64e6314
hex7e819c94

2122423444 has 12 divisors (see below), whose sum is σ = 3714731104. Its totient is φ = 1061071704.

The previous prime is 2122423439. The next prime is 2122423483. The reversal of 2122423444 is 4443242212.

It is a super-2 number, since 2×21224234442 = 9009362551281642272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3907 + ... + 65269.

Almost surely, 22122423444 is an apocalyptic number.

It is an amenable number.

2122423444 is a deficient number, since it is larger than the sum of its proper divisors (1592307660).

2122423444 is a wasteful number, since it uses less digits than its factorization.

2122423444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70014 (or 70012 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 2122423444 is about 46069.7671363770. The cubic root of 2122423444 is about 1285.1209733344.

Adding to 2122423444 its reverse (4443242212), we get a palindrome (6565665656).

The spelling of 2122423444 in words is "two billion, one hundred twenty-two million, four hundred twenty-three thousand, four hundred forty-four".

Divisors: 1 2 4 8647 17294 34588 61363 122726 245452 530605861 1061211722 2122423444