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2240221331 = 5388347869
BaseRepresentation
bin1000010110000111…
…0001000010010011
312210010101000221102
42011201301002103
514041444040311
61010143415015
7106341365345
oct20541610223
95703330842
102240221331
11a4a601497
125262b446b
13299174b6a
1417374b295
15d1a1443b
hex85871093

2240221331 has 8 divisors (see below), whose sum is σ = 2285122320. Its totient is φ = 2195417952.

The previous prime is 2240221303. The next prime is 2240221339. The reversal of 2240221331 is 1331220422.

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 2240221331 - 218 = 2239959187 is a prime.

It is a super-2 number, since 2×22402213312 = 10037183223734823122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240221339) 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, 22865 + ... + 70733.

It is an arithmetic number, because the mean of its divisors is an integer number (285640290).

Almost surely, 22240221331 is an apocalyptic number.

2240221331 is a deficient number, since it is larger than the sum of its proper divisors (44900989).

2240221331 is an equidigital number, since it uses as much as digits as its factorization.

2240221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48805.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2240221331 is about 47330.9764424948. The cubic root of 2240221331 is about 1308.4696172024.

Adding to 2240221331 its reverse (1331220422), we get a palindrome (3571441753).

Subtracting from 2240221331 its reverse (1331220422), we obtain a palindrome (909000909).

The spelling of 2240221331 in words is "two billion, two hundred forty million, two hundred twenty-one thousand, three hundred thirty-one".

Divisors: 1 53 883 46799 47869 2537057 42268327 2240221331