226402666 has 32 divisors (see below), whose sum is σ = 397942272. Its totient is φ = 94590720.

The previous prime is 226402663. The next prime is 226402679. The reversal of 226402666 is 666204622.

It is not an unprimeable number, because it can be changed into a prime (226402661) 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, 221236 + ... + 222256.

It is an arithmetic number, because the mean of its divisors is an integer number (12435696).

Almost surely, 2^226402666 is an apocalyptic number.

226402666 is a deficient number, since it is larger than the sum of its proper divisors (171539606).

226402666 is a wasteful number, since it uses less digits than its factorization.

226402666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 226402666 is about 15046.6828902586. The cubic root of 226402666 is about 609.4814782019.

The spelling of 226402666 in words is "two hundred twenty-six million, four hundred two thousand, six hundred sixty-six".