2265979121 has 8 divisors (see below), whose sum is σ = 2725990080. Its totient is φ = 1840043088.

The previous prime is 2265979117. The next prime is 2265979151. The reversal of 2265979121 is 1219795622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2265979121 - 2² = 2265979117 is a prime.

It is a super-2 number, since 2×2265979121² = 10269322753615865282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2265979151) 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, 8518586 + ... + 8518851.

It is an arithmetic number, because the mean of its divisors is an integer number (340748760).

Almost surely, 2^2265979121 is an apocalyptic number.

It is an amenable number.

2265979121 is a deficient number, since it is larger than the sum of its proper divisors (460010959).

2265979121 is a wasteful number, since it uses less digits than its factorization.

2265979121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17037463.

The product of its digits is 136080, while the sum is 44.

The square root of 2265979121 is about 47602.3016355302. The cubic root of 2265979121 is about 1313.4653932771.

The spelling of 2265979121 in words is "two billion, two hundred sixty-five million, nine hundred seventy-nine thousand, one hundred twenty-one".