551305543222 has 8 divisors (see below), whose sum is σ = 945095216976. Its totient is φ = 236273804232.

The previous prime is 551305543157. The next prime is 551305543249. The reversal of 551305543222 is 222345503155.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19689483673 + ... + 19689483700.

It is an arithmetic number, because the mean of its divisors is an integer number (118136902122).

Almost surely, 2^551305543222 is an apocalyptic number.

551305543222 is a deficient number, since it is larger than the sum of its proper divisors (393789673754).

551305543222 is a wasteful number, since it uses less digits than its factorization.

551305543222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39378967382.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 551305543222 in words is "five hundred fifty-one billion, three hundred five million, five hundred forty-three thousand, two hundred twenty-two".