552222161 has 4 divisors (see below), whose sum is σ = 555928500. Its totient is φ = 548515824.

The previous prime is 552222133. The next prime is 552222163. The reversal of 552222161 is 161222255.

552222161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 88078225 + 464143936 = 9385^2 + 21544^2 .

It is a cyclic number.

It is not a de Polignac number, because 552222161 - 2¹⁴ = 552205777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552222161.

It is not an unprimeable number, because it can be changed into a prime (552222163) 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, 1852946 + ... + 1853243.

It is an arithmetic number, because the mean of its divisors is an integer number (138982125).

Almost surely, 2^552222161 is an apocalyptic number.

It is an amenable number.

552222161 is a deficient number, since it is larger than the sum of its proper divisors (3706339).

552222161 is a wasteful number, since it uses less digits than its factorization.

552222161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706338.

The product of its digits is 2400, while the sum is 26.

The square root of 552222161 is about 23499.4076733862. The cubic root of 552222161 is about 820.4232204541.

The spelling of 552222161 in words is "five hundred fifty-two million, two hundred twenty-two thousand, one hundred sixty-one".