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22023223331 = 107761204371
BaseRepresentation
bin10100100000101011…
…111011100000100011
32002211211120122220012
4110200223323200203
5330100421121311
614041202035135
71406520211124
oct244053734043
962754518805
1022023223331
11938159871a
124327648aab
1320cc8c35c5
1410ccca804b
1588d6b978b
hex520afb823

22023223331 has 4 divisors (see below), whose sum is σ = 22023535464. Its totient is φ = 22022911200.

The previous prime is 22023223309. The next prime is 22023223333. The reversal of 22023223331 is 13332232022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13332232022 = 26666116011.

It is a cyclic number.

It is not a de Polignac number, because 22023223331 - 230 = 20949481507 is a prime.

It is a super-2 number, since 2×220232233312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22023223297 and 22023223306.

It is not an unprimeable number, because it can be changed into a prime (22023223333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5576 + ... + 209946.

It is an arithmetic number, because the mean of its divisors is an integer number (5505883866).

Almost surely, 222023223331 is an apocalyptic number.

22023223331 is a deficient number, since it is larger than the sum of its proper divisors (312133).

22023223331 is a wasteful number, since it uses less digits than its factorization.

22023223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312132.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22023223331 its reverse (13332232022), we get a palindrome (35355455353).

The spelling of 22023223331 in words is "twenty-two billion, twenty-three million, two hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 107761 204371 22023223331