2290527666 has 64 divisors (see below), whose sum is σ = 5834799360. Its totient is φ = 652458240.

The previous prime is 2290527641. The next prime is 2290527697. The reversal of 2290527666 is 6667250922.

It is a super-2 number, since 2×2290527666² = 10493033977422815112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118396 + ... + 136376.

It is an arithmetic number, because the mean of its divisors is an integer number (91168740).

Almost surely, 2^2290527666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2290527666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2917399680).

2290527666 is an abundant number, since it is smaller than the sum of its proper divisors (3544271694).

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

2290527666 is a wasteful number, since it uses less digits than its factorization.

2290527666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18336 (or 18330 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 2290527666 is about 47859.4574352865. The cubic root of 2290527666 is about 1318.1915213419.

The spelling of 2290527666 in words is "two billion, two hundred ninety million, five hundred twenty-seven thousand, six hundred sixty-six".