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2211422423 = 72322760509
BaseRepresentation
bin1000001111001111…
…1010000011010111
312201010011220021012
42003303322003113
514012111004143
61003234242435
7105541531460
oct20363720327
95633156235
102211422423
11a35321441
1251872641b
132932007a2
1416d9b1d67
15ce226418
hex83cfa0d7

2211422423 has 16 divisors (see below), whose sum is σ = 2648885760. Its totient is φ = 1805074656.

The previous prime is 2211422383. The next prime is 2211422429. The reversal of 2211422423 is 3242241122.

It is a de Polignac number, because none of the positive numbers 2k-2211422423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211422429) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6293 + ... + 66801.

It is an arithmetic number, because the mean of its divisors is an integer number (165555360).

Almost surely, 22211422423 is an apocalyptic number.

2211422423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2211422423 is a deficient number, since it is larger than the sum of its proper divisors (437463337).

2211422423 is a wasteful number, since it uses less digits than its factorization.

2211422423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60766.

The product of its digits is 1536, while the sum is 23.

The square root of 2211422423 is about 47025.7633962491. The cubic root of 2211422423 is about 1302.8384572891.

Adding to 2211422423 its reverse (3242241122), we get a palindrome (5453663545).

The spelling of 2211422423 in words is "two billion, two hundred eleven million, four hundred twenty-two thousand, four hundred twenty-three".

Divisors: 1 7 23 161 227 1589 5221 36547 60509 423563 1391707 9741949 13735543 96148801 315917489 2211422423