2267916261 has 16 divisors (see below), whose sum is σ = 3368789760. Its totient is φ = 1347514560.

The previous prime is 2267916251. The next prime is 2267916349. The reversal of 2267916261 is 1626197622.

It is not a de Polignac number, because 2267916261 - 2²⁷ = 2133698533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2267916251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001485 + ... + 1003746.

It is an arithmetic number, because the mean of its divisors is an integer number (210549360).

Almost surely, 2^2267916261 is an apocalyptic number.

It is an amenable number.

2267916261 is a deficient number, since it is larger than the sum of its proper divisors (1100873499).

2267916261 is a wasteful number, since it uses less digits than its factorization.

2267916261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005276.

The product of its digits is 108864, while the sum is 42.

The square root of 2267916261 is about 47622.6444141860. The cubic root of 2267916261 is about 1313.8395717253.

The spelling of 2267916261 in words is "two billion, two hundred sixty-seven million, nine hundred sixteen thousand, two hundred sixty-one".