550726222 has 32 divisors (see below), whose sum is σ = 869068800. Its totient is φ = 261424800.

The previous prime is 550726199. The next prime is 550726223. The reversal of 550726222 is 222627055.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550726223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121397 + ... + 1121887.

It is an arithmetic number, because the mean of its divisors is an integer number (27158400).

Almost surely, 2^550726222 is an apocalyptic number.

550726222 is a deficient number, since it is larger than the sum of its proper divisors (318342578).

550726222 is a wasteful number, since it uses less digits than its factorization.

550726222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 550726222 is about 23467.5567965649. The cubic root of 550726222 is about 819.6817235944.

The spelling of 550726222 in words is "five hundred fifty million, seven hundred twenty-six thousand, two hundred twenty-two".