2274663666 has 32 divisors (see below), whose sum is σ = 5008449600. Its totient is φ = 682966080.

The previous prime is 2274663661. The next prime is 2274663737. The reversal of 2274663666 is 6663664722.

It is a happy number.

2274663666 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2274663661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150901 + ... + 165288.

It is an arithmetic number, because the mean of its divisors is an integer number (156514050).

Almost surely, 2^2274663666 is an apocalyptic number.

2274663666 is an abundant number, since it is smaller than the sum of its proper divisors (2733785934).

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

2274663666 is a wasteful number, since it uses less digits than its factorization.

2274663666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316314.

The product of its digits is 2612736, while the sum is 48.

The square root of 2274663666 is about 47693.4342022044. The cubic root of 2274663666 is about 1315.1412409795.

It can be divided in two parts, 227466 and 3666, that added together give a palindrome (231132).

The spelling of 2274663666 in words is "two billion, two hundred seventy-four million, six hundred sixty-three thousand, six hundred sixty-six".