667227455 has 16 divisors (see below), whose sum is σ = 823634784. Its totient is φ = 518686080.

The previous prime is 667227439. The next prime is 667227461. The reversal of 667227455 is 554722766.

It is not a de Polignac number, because 667227455 - 2⁴ = 667227439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12137 + ... + 38493.

It is an arithmetic number, because the mean of its divisors is an integer number (51477174).

Almost surely, 2^667227455 is an apocalyptic number.

667227455 is a deficient number, since it is larger than the sum of its proper divisors (156407329).

667227455 is a wasteful number, since it uses less digits than its factorization.

667227455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26506.

The product of its digits is 705600, while the sum is 44.

The square root of 667227455 is about 25830.7463113244. The cubic root of 667227455 is about 873.8253429531.

The spelling of 667227455 in words is "six hundred sixty-seven million, two hundred twenty-seven thousand, four hundred fifty-five".