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2242306609 = 473532
BaseRepresentation
bin1000010110100110…
…1110001000110001
312210021021222101221
42011221232020301
514043012302414
61010300225041
7106365202024
oct20551561061
95707258357
102242306609
11a507a6164
12526b3b181
1329972505a
14173b311bb
15d1cc7224
hex85a6e231

2242306609 has 3 divisors (see below), whose sum is σ = 2242353963. Its totient is φ = 2242259256.

The previous prime is 2242306607. The next prime is 2242306643. The reversal of 2242306609 is 9066032422.

It is a happy number.

The square root of 2242306609 is 47353.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 156375025 + 2085931584 = 12505^2 + 45672^2 .

It is not a de Polignac number, because 2242306609 - 21 = 2242306607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2242306607) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23677 + ... + 71029.

It is an arithmetic number, because the mean of its divisors is an integer number (747451321).

Almost surely, 22242306609 is an apocalyptic number.

2242306609 is the 47353-rd square number.

2242306609 is the 23677-th centered octagonal number.

It is an amenable number.

2242306609 is a deficient number, since it is larger than the sum of its proper divisors (47354).

2242306609 is an frugal number, since it uses more digits than its factorization.

2242306609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94706 (or 47353 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The cubic root of 2242306609 is about 1308.8754813767.

The spelling of 2242306609 in words is "two billion, two hundred forty-two million, three hundred six thousand, six hundred nine".

Divisors: 1 47353 2242306609