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2221423010 = 25449494749
BaseRepresentation
bin1000010001101000…
…0011100110100010
312201210222222111022
42010122003212202
514022141014020
61004232445442
7106022532632
oct20432034642
95653888438
102221423010
11a3aa31a94
1251bb49882
132952c26b1
141710566c2
15d004e625
hex846839a2

2221423010 has 16 divisors (see below), whose sum is σ = 4007475000. Its totient is φ = 886588416.

The previous prime is 2221422979. The next prime is 2221423013. The reversal of 2221423010 is 103241222.

It can be written as a sum of positive squares in 4 ways, for example, as 1489882801 + 731540209 = 38599^2 + 27047^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2221423010.

It is not an unprimeable number, because it can be changed into a prime (2221423013) 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, 242885 + ... + 251864.

Almost surely, 22221423010 is an apocalyptic number.

2221423010 is a deficient number, since it is larger than the sum of its proper divisors (1786051990).

2221423010 is a wasteful number, since it uses less digits than its factorization.

2221423010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495205.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2221423010 is about 47131.9743910649. The cubic root of 2221423010 is about 1304.7994211281.

Adding to 2221423010 its reverse (103241222), we get a palindrome (2324664232).

The spelling of 2221423010 in words is "two billion, two hundred twenty-one million, four hundred twenty-three thousand, ten".

Divisors: 1 2 5 10 449 898 2245 4490 494749 989498 2473745 4947490 222142301 444284602 1110711505 2221423010