2266664261 has 4 divisors (see below), whose sum is σ = 2385962400. Its totient is φ = 2147366124.

The previous prime is 2266664251. The next prime is 2266664263. The reversal of 2266664261 is 1624666622.

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 not a de Polignac number, because 2266664261 - 2¹⁰ = 2266663237 is a prime.

It is a super-2 number, since 2×2266664261² = 10275533744189352242, which 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 (2266664263) 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, 59649041 + ... + 59649078.

It is an arithmetic number, because the mean of its divisors is an integer number (596490600).

Almost surely, 2^2266664261 is an apocalyptic number.

It is an amenable number.

2266664261 is a deficient number, since it is larger than the sum of its proper divisors (119298139).

2266664261 is a wasteful number, since it uses less digits than its factorization.

2266664261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119298138.

The product of its digits is 248832, while the sum is 41.

The square root of 2266664261 is about 47609.4975923922. The cubic root of 2266664261 is about 1313.5977594565.

The spelling of 2266664261 in words is "two billion, two hundred sixty-six million, six hundred sixty-four thousand, two hundred sixty-one".