556222655 has 8 divisors (see below), whose sum is σ = 674076384. Its totient is φ = 440572000.

The previous prime is 556222637. The next prime is 556222669.

556222655 is nontrivially palindromic in base 10.

556222655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 556222655 - 2⁸ = 556222399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550211 + ... + 551220.

It is an arithmetic number, because the mean of its divisors is an integer number (84259548).

Almost surely, 2^556222655 is an apocalyptic number.

556222655 is a deficient number, since it is larger than the sum of its proper divisors (117853729).

556222655 is a wasteful number, since it uses less digits than its factorization.

556222655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101537.

The product of its digits is 180000, while the sum is 38.

The square root of 556222655 is about 23584.3731101762. The cubic root of 556222655 is about 822.3996015701.

The spelling of 556222655 in words is "five hundred fifty-six million, two hundred twenty-two thousand, six hundred fifty-five".