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22210212144 = 2433531310801
BaseRepresentation
bin10100101011110101…
…001111000100110000
32010022212102200022210
4110223311033010300
5330441303242034
614111521532120
71414250455041
oct245365170460
963285380283
1022210212144
1194680a412a
12437a1a4040
13212c573583
141109a608c8
1589ed038e9
hex52bd4f130

22210212144 has 40 divisors (see below), whose sum is σ = 57538964592. Its totient is φ = 7382425600.

The previous prime is 22210212137. The next prime is 22210212217. The reversal of 22210212144 is 44121201222.

It is a self number, because there is not a number n which added to its sum of digits gives 22210212144.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 638457 + ... + 672344.

Almost surely, 222210212144 is an apocalyptic number.

22210212144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22210212144 is an abundant number, since it is smaller than the sum of its proper divisors (35328752448).

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

22210212144 is a wasteful number, since it uses less digits than its factorization.

22210212144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311165 (or 1311159 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22210212144 its reverse (44121201222), we get a palindrome (66331413366).

The spelling of 22210212144 in words is "twenty-two billion, two hundred ten million, two hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 353 706 1059 1412 2118 2824 4236 5648 8472 16944 1310801 2621602 3932403 5243204 7864806 10486408 15729612 20972816 31459224 62918448 462712753 925425506 1388138259 1850851012 2776276518 3701702024 5552553036 7403404048 11105106072 22210212144