551222363 has 2 divisors, whose sum is σ = 551222364. Its totient is φ = 551222362.

The previous prime is 551222303. The next prime is 551222369. The reversal of 551222363 is 363222155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551222363 - 2²⁰ = 550173787 is a prime.

It is not a weakly prime, because it can be changed into another prime (551222369) by changing a digit.

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, 275611181 + 275611182.

It is an arithmetic number, because the mean of its divisors is an integer number (275611182).

Almost surely, 2^551222363 is an apocalyptic number.

551222363 is a deficient number, since it is larger than the sum of its proper divisors (1).

551222363 is an equidigital number, since it uses as much as digits as its factorization.

551222363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 551222363 is about 23478.1252019832. The cubic root of 551222363 is about 819.9277960417.

The spelling of 551222363 in words is "five hundred fifty-one million, two hundred twenty-two thousand, three hundred sixty-three".