554122666 has 8 divisors (see below), whose sum is σ = 837164160. Its totient is φ = 275067948.

The previous prime is 554122661. The next prime is 554122687. The reversal of 554122666 is 666221455.

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

It is a super-3 number, since 3×554122666³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (554122661) 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, 996346 + ... + 996901.

It is an arithmetic number, because the mean of its divisors is an integer number (104645520).

Almost surely, 2^554122666 is an apocalyptic number.

554122666 is a deficient number, since it is larger than the sum of its proper divisors (283041494).

554122666 is a wasteful number, since it uses less digits than its factorization.

554122666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993388.

The product of its digits is 86400, while the sum is 37.

The square root of 554122666 is about 23539.8102371281. The cubic root of 554122666 is about 821.3633210397.

The spelling of 554122666 in words is "five hundred fifty-four million, one hundred twenty-two thousand, six hundred sixty-six".