672228055 has 8 divisors (see below), whose sum is σ = 809269344. Its totient is φ = 536052000.

The previous prime is 672228043. The next prime is 672228077. The reversal of 672228055 is 550822276.

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

It is a de Polignac number, because none of the positive numbers 2^k-672228055 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214596 + ... + 217705.

It is an arithmetic number, because the mean of its divisors is an integer number (101158668).

Almost surely, 2^672228055 is an apocalyptic number.

672228055 is a deficient number, since it is larger than the sum of its proper divisors (137041289).

672228055 is a wasteful number, since it uses less digits than its factorization.

672228055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432617.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 672228055 is about 25927.3611268096. The cubic root of 672228055 is about 876.0029012192.

The spelling of 672228055 in words is "six hundred seventy-two million, two hundred twenty-eight thousand, fifty-five".