2290766220 has 36 divisors (see below), whose sum is σ = 6948658080. Its totient is φ = 610870944.

The previous prime is 2290766189. The next prime is 2290766243. The reversal of 2290766220 is 226670922.

2290766220 is a `hidden beast` number, since 2 + 29 + 0 + 7 + 6 + 622 + 0 = 666.

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 (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6363060 + ... + 6363419.

It is an arithmetic number, because the mean of its divisors is an integer number (193018280).

Almost surely, 2^2290766220 is an apocalyptic number.

2290766220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2290766220 is an abundant number, since it is smaller than the sum of its proper divisors (4657891860).

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

2290766220 is a wasteful number, since it uses less digits than its factorization.

2290766220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12726494 (or 12726489 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2290766220 is about 47861.9496050882. The cubic root of 2290766220 is about 1318.2372821141.

The spelling of 2290766220 in words is "two billion, two hundred ninety million, seven hundred sixty-six thousand, two hundred twenty".