551422224 has 30 divisors (see below), whose sum is σ = 1543216766. Its totient is φ = 183807360.

The previous prime is 551422213. The next prime is 551422241. The reversal of 551422224 is 422224155.

It can be written as a sum of positive squares in only one way, i.e., 539725824 + 11696400 = 23232^2 + 3420^2 .

It is a super-2 number, since 2×551422224² = 608132938242212352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1914517 + ... + 1914804.

Almost surely, 2^551422224 is an apocalyptic number.

It is an amenable number.

551422224 is an abundant number, since it is smaller than the sum of its proper divisors (991794542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551422224 is a wasteful number, since it uses less digits than its factorization.

551422224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829335 (or 3829326 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 551422224 is about 23482.3811399100. The cubic root of 551422224 is about 820.0268799438.

Adding to 551422224 its reverse (422224155), we get a palindrome (973646379).

The spelling of 551422224 in words is "five hundred fifty-one million, four hundred twenty-two thousand, two hundred twenty-four".