2228667660 has 36 divisors (see below), whose sum is σ = 6760292448. Its totient is φ = 594311328.

The previous prime is 2228667659. The next prime is 2228667671. The reversal of 2228667660 is 667668222.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6190564 + ... + 6190923.

Almost surely, 2^2228667660 is an apocalyptic number.

2228667660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228667660 is an abundant number, since it is smaller than the sum of its proper divisors (4531624788).

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

2228667660 is a wasteful number, since it uses less digits than its factorization.

2228667660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12381502 (or 12381497 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 2228667660 is about 47208.7667705904. The cubic root of 2228667660 is about 1306.2163143561.

The spelling of 2228667660 in words is "two billion, two hundred twenty-eight million, six hundred sixty-seven thousand, six hundred sixty".