551222384 has 20 divisors (see below), whose sum is σ = 1070868216. Its totient is φ = 274869312.

The previous prime is 551222381. The next prime is 551222387. The reversal of 551222384 is 483222155.

551222384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (551222381) and next prime (551222387).

It is a super-2 number, since 2×551222384² = 607692233245286912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 551222384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551222381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40214 + ... + 52149.

Almost surely, 2^551222384 is an apocalyptic number.

It is an amenable number.

551222384 is a deficient number, since it is larger than the sum of its proper divisors (519645832).

551222384 is a wasteful number, since it uses less digits than its factorization.

551222384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92744 (or 92738 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 551222384 is about 23478.1256492080. The cubic root of 551222384 is about 819.9278064540.

The spelling of 551222384 in words is "five hundred fifty-one million, two hundred twenty-two thousand, three hundred eighty-four".