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2220523331 = 13198989973
BaseRepresentation
bin1000010001011010…
…0111111101000011
312201202022021100212
42010112213331003
514021423221311
61004201304335
7106012064645
oct20426477503
95652267325
102220523331
11a3a478054
1251b7950ab
13295069040
14170ca0895
15cee22c8b
hex845a7f43

2220523331 has 8 divisors (see below), whose sum is σ = 2517192720. Its totient is φ = 1941833952.

The previous prime is 2220523267. The next prime is 2220523343. The reversal of 2220523331 is 1333250222.

2220523331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220523331 - 26 = 2220523267 is a prime.

It is a super-2 number, since 2×22205233312 = 9861447727030671122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220523297 and 2220523306.

It is not an unprimeable number, because it can be changed into a prime (2220523531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4494740 + ... + 4495233.

It is an arithmetic number, because the mean of its divisors is an integer number (314649090).

Almost surely, 22220523331 is an apocalyptic number.

2220523331 is a deficient number, since it is larger than the sum of its proper divisors (296669389).

2220523331 is a wasteful number, since it uses less digits than its factorization.

2220523331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8990005.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2220523331 is about 47122.4291712556. The cubic root of 2220523331 is about 1304.6232488959.

Adding to 2220523331 its reverse (1333250222), we get a palindrome (3553773553).

The spelling of 2220523331 in words is "two billion, two hundred twenty million, five hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 13 19 247 8989973 116869649 170809487 2220523331