551354023222 has 4 divisors (see below), whose sum is σ = 827031034836. Its totient is φ = 275677011610.

The previous prime is 551354023211. The next prime is 551354023249. The reversal of 551354023222 is 222320453155.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×551354023222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137838505804 + ... + 137838505807.

It is an arithmetic number, because the mean of its divisors is an integer number (206757758709).

Almost surely, 2^551354023222 is an apocalyptic number.

551354023222 is a deficient number, since it is larger than the sum of its proper divisors (275677011614).

551354023222 is a wasteful number, since it uses less digits than its factorization.

551354023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275677011613.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 551354023222 its reverse (222320453155), we get a palindrome (773674476377).

The spelling of 551354023222 in words is "five hundred fifty-one billion, three hundred fifty-four million, twenty-three thousand, two hundred twenty-two".