550222766 has 4 divisors (see below), whose sum is σ = 825334152. Its totient is φ = 275111382.

The previous prime is 550222753. The next prime is 550222787. The reversal of 550222766 is 667222055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 667222055 = 5 ⋅133444411.

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 as a sum of consecutive naturals, namely, 137555690 + ... + 137555693.

It is an arithmetic number, because the mean of its divisors is an integer number (206333538).

Almost surely, 2^550222766 is an apocalyptic number.

550222766 is a deficient number, since it is larger than the sum of its proper divisors (275111386).

550222766 is a wasteful number, since it uses less digits than its factorization.

550222766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275111385.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 550222766 is about 23456.8277053825. The cubic root of 550222766 is about 819.4318719862.

The spelling of 550222766 in words is "five hundred fifty million, two hundred twenty-two thousand, seven hundred sixty-six".