552322221 has 16 divisors (see below), whose sum is σ = 807874560. Its totient is φ = 332867120.

The previous prime is 552322219. The next prime is 552322223. The reversal of 552322221 is 122223255.

552322221 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 (552322219) and next prime (552322223).

It is a cyclic number.

It is not a de Polignac number, because 552322221 - 2¹ = 552322219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 552322191 and 552322200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552322223) 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, 40845 + ... + 52658.

It is an arithmetic number, because the mean of its divisors is an integer number (50492160).

Almost surely, 2^552322221 is an apocalyptic number.

It is an amenable number.

552322221 is a deficient number, since it is larger than the sum of its proper divisors (255552339).

552322221 is a wasteful number, since it uses less digits than its factorization.

552322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93696.

The product of its digits is 2400, while the sum is 24.

The square root of 552322221 is about 23501.5365667864. The cubic root of 552322221 is about 820.4727697089.

Adding to 552322221 its reverse (122223255), we get a palindrome (674545476).

The spelling of 552322221 in words is "five hundred fifty-two million, three hundred twenty-two thousand, two hundred twenty-one".