2266557540 has 96 divisors (see below), whose sum is σ = 7131753216. Its totient is φ = 533660160.

The previous prime is 2266557497. The next prime is 2266557547. The reversal of 2266557540 is 457556622.

It is a junction number, because it is equal to n+sod(n) for n = 2266557492 and 2266557501.

It is not an unprimeable number, because it can be changed into a prime (2266557547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45231 + ... + 81110.

It is an arithmetic number, because the mean of its divisors is an integer number (74289096).

Almost surely, 2^2266557540 is an apocalyptic number.

2266557540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2266557540 is an abundant number, since it is smaller than the sum of its proper divisors (4865195676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2266557540 is a wasteful number, since it uses less digits than its factorization.

2266557540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126389 (or 126387 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 2266557540 is about 47608.3767839232. The cubic root of 2266557540 is about 1313.5771431601.

The spelling of 2266557540 in words is "two billion, two hundred sixty-six million, five hundred fifty-seven thousand, five hundred forty".