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4420314221 = 42171048213
BaseRepresentation
bin1000001110111100…
…01010010001101101
3102102001121020011112
410013132022101231
533023100023341
62010342401405
7214353023321
oct40736122155
912361536145
104420314221
111969174554
12a34430265
13555a2645b
142dd0c5981
151ad0ecaeb
hex10778a46d

4420314221 has 4 divisors (see below), whose sum is σ = 4421366652. Its totient is φ = 4419261792.

The previous prime is 4420314209. The next prime is 4420314229. The reversal of 4420314221 is 1224130244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4069164100 + 351150121 = 63790^2 + 18739^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420314221 - 214 = 4420297837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420314229) 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, 519890 + ... + 528323.

It is an arithmetic number, because the mean of its divisors is an integer number (1105341663).

Almost surely, 24420314221 is an apocalyptic number.

It is an amenable number.

4420314221 is a deficient number, since it is larger than the sum of its proper divisors (1052431).

4420314221 is a wasteful number, since it uses less digits than its factorization.

4420314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052430.

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

The square root of 4420314221 is about 66485.4436775449. The cubic root of 4420314221 is about 1641.1604691811.

Adding to 4420314221 its reverse (1224130244), we get a palindrome (5644444465).

The spelling of 4420314221 in words is "four billion, four hundred twenty million, three hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 4217 1048213 4420314221