2270787660 has 72 divisors (see below), whose sum is σ = 7250596080. Its totient is φ = 573671808.

The previous prime is 2270787653. The next prime is 2270787661. The reversal of 2270787660 is 667870722.

It is a happy number.

It is a super-3 number, since 3×2270787660³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2270787661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328567 + ... + 335406.

Almost surely, 2^2270787660 is an apocalyptic number.

2270787660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2270787660 is an abundant number, since it is smaller than the sum of its proper divisors (4979808420).

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

2270787660 is a wasteful number, since it uses less digits than its factorization.

2270787660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664007 (or 664002 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 2270787660 is about 47652.7822902294. The cubic root of 2270787660 is about 1314.3938200863.

The spelling of 2270787660 in words is "two billion, two hundred seventy million, seven hundred eighty-seven thousand, six hundred sixty".