550251001222 has 16 divisors (see below), whose sum is σ = 890240857632. Its totient is φ = 253569470400.

The previous prime is 550251001219. The next prime is 550251001243. The reversal of 550251001222 is 222100152055.

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 7 ways as a sum of consecutive naturals, for example, 16338279 + ... + 16371922.

It is an arithmetic number, because the mean of its divisors is an integer number (55640053602).

Almost surely, 2^550251001222 is an apocalyptic number.

550251001222 is a deficient number, since it is larger than the sum of its proper divisors (339989856410).

550251001222 is a wasteful number, since it uses less digits than its factorization.

550251001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32710863.

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 550251001222 its reverse (222100152055), we get a palindrome (772351153277).

The spelling of 550251001222 in words is "five hundred fifty billion, two hundred fifty-one million, one thousand, two hundred twenty-two".