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2244214661 = 13172631897
BaseRepresentation
bin1000010111000011…
…1111111110000101
312210101212220202112
42011300333332011
514044004332121
61010405150405
7106420336613
oct20560777605
95711786675
102244214661
11a51889767
125276bb405
13299c42690
141740aa6b3
15d205275b
hex85c3ff85

2244214661 has 4 divisors (see below), whose sum is σ = 2416846572. Its totient is φ = 2071582752.

The previous prime is 2244214657. The next prime is 2244214667. The reversal of 2244214661 is 1664124422.

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 984390625 + 1259824036 = 31375^2 + 35494^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244214661 - 22 = 2244214657 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 (2244214667) 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, 86315936 + ... + 86315961.

It is an arithmetic number, because the mean of its divisors is an integer number (604211643).

Almost surely, 22244214661 is an apocalyptic number.

It is an amenable number.

2244214661 is a deficient number, since it is larger than the sum of its proper divisors (172631911).

2244214661 is a wasteful number, since it uses less digits than its factorization.

2244214661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172631910.

The product of its digits is 18432, while the sum is 32.

The square root of 2244214661 is about 47373.1428237562. The cubic root of 2244214661 is about 1309.2466311012.

The spelling of 2244214661 in words is "two billion, two hundred forty-four million, two hundred fourteen thousand, six hundred sixty-one".

Divisors: 1 13 172631897 2244214661