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222302231420 = 22511115111571
BaseRepresentation
bin1100111100001000111…
…1101101101101111100
3210020210121212102112112
43033002033231231330
512120233332401140
6250042500153152
722026566534603
oct3170217555574
9706717772475
10222302231420
11863068a5815
12371006987b8
1317c69970809
14aa8c056a3a
155bb13a2c65
hex33c23edb7c

222302231420 has 12 divisors (see below), whose sum is σ = 466834686024. Its totient is φ = 88920892560.

The previous prime is 222302231383. The next prime is 222302231441. The reversal of 222302231420 is 24132203222.

It is a super-2 number, since 2×2223022314202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5557555766 + ... + 5557555805.

It is an arithmetic number, because the mean of its divisors is an integer number (38902890502).

Almost surely, 2222302231420 is an apocalyptic number.

222302231420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222302231420 is an abundant number, since it is smaller than the sum of its proper divisors (244532454604).

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

222302231420 is a wasteful number, since it uses less digits than its factorization.

222302231420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115111580 (or 11115111578 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 222302231420 its reverse (24132203222), we get a palindrome (246434434642).

The spelling of 222302231420 in words is "two hundred twenty-two billion, three hundred two million, two hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 11115111571 22230223142 44460446284 55575557855 111151115710 222302231420