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2214442413221 = 3669160353831
BaseRepresentation
bin100000001110010111000…
…011011010110010100101
321211200212022002010212212
4200032113003122302211
5242240134224210341
64413144550053205
7315662642641043
oct40162703326245
97750768063785
102214442413221
1178415a014885
122b921034a205
13130a89a33a8c
1479272acd393
153c9093255eb
hex203970daca5

2214442413221 has 4 divisors (see below), whose sum is σ = 2214502803744. Its totient is φ = 2214382022700.

The previous prime is 2214442413203. The next prime is 2214442413233. The reversal of 2214442413221 is 1223142444122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2214442413221 is a prime.

It is a super-2 number, since 2×22144424132212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214442413241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30140225 + ... + 30213606.

It is an arithmetic number, because the mean of its divisors is an integer number (553625700936).

Almost surely, 22214442413221 is an apocalyptic number.

It is an amenable number.

2214442413221 is a deficient number, since it is larger than the sum of its proper divisors (60390523).

2214442413221 is an equidigital number, since it uses as much as digits as its factorization.

2214442413221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60390522.

The product of its digits is 24576, while the sum is 32.

Adding to 2214442413221 its reverse (1223142444122), we get a palindrome (3437584857343).

The spelling of 2214442413221 in words is "two trillion, two hundred fourteen billion, four hundred forty-two million, four hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 36691 60353831 2214442413221