354722666 has 8 divisors (see below), whose sum is σ = 560088480. Its totient is φ = 168026508.

The previous prime is 354722659. The next prime is 354722701. The reversal of 354722666 is 666227453.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4667366 + ... + 4667441.

It is an arithmetic number, because the mean of its divisors is an integer number (70011060).

Almost surely, 2^354722666 is an apocalyptic number.

354722666 is a deficient number, since it is larger than the sum of its proper divisors (205365814).

354722666 is a wasteful number, since it uses less digits than its factorization.

354722666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9334828.

The product of its digits is 362880, while the sum is 41.

The square root of 354722666 is about 18834.0825632681. The cubic root of 354722666 is about 707.8854403577.

The spelling of 354722666 in words is "three hundred fifty-four million, seven hundred twenty-two thousand, six hundred sixty-six".