2261706242 has 16 divisors (see below), whose sum is σ = 3557865600. Its totient is φ = 1076245632.

The previous prime is 2261706241. The next prime is 2261706269. The reversal of 2261706242 is 2426071622.

It is a junction number, because it is equal to n+sod(n) for n = 2261706199 and 2261706208.

It is not an unprimeable number, because it can be changed into a prime (2261706241) 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, 114383 + ... + 132690.

It is an arithmetic number, because the mean of its divisors is an integer number (222366600).

Almost surely, 2^2261706242 is an apocalyptic number.

2261706242 is a deficient number, since it is larger than the sum of its proper divisors (1296159358).

2261706242 is a wasteful number, since it uses less digits than its factorization.

2261706242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247297.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2261706242 is about 47557.3994453019. The cubic root of 2261706242 is about 1312.6392882803.

Adding to 2261706242 its reverse (2426071622), we get a palindrome (4687777864).

The spelling of 2261706242 in words is "two billion, two hundred sixty-one million, seven hundred six thousand, two hundred forty-two".