2242490666 has 8 divisors (see below), whose sum is σ = 3622484964. Its totient is φ = 1034995680.

The previous prime is 2242490659. The next prime is 2242490669. The reversal of 2242490666 is 6660942422.

It can be written as a sum of positive squares in 2 ways, for example, as 2173517641 + 68973025 = 46621^2 + 8305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2242490669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43124795 + ... + 43124846.

Almost surely, 2^2242490666 is an apocalyptic number.

2242490666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2242490666 is a deficient number, since it is larger than the sum of its proper divisors (1379994298).

2242490666 is a wasteful number, since it uses less digits than its factorization.

2242490666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86249656.

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 2242490666 is about 47354.9434167121. The cubic root of 2242490666 is about 1308.9112928787.

The spelling of 2242490666 in words is "two billion, two hundred forty-two million, four hundred ninety thousand, six hundred sixty-six".