5612522221 has 16 divisors (see below), whose sum is σ = 5958725760. Its totient is φ = 5278230720.

The previous prime is 5612522213. The next prime is 5612522243. The reversal of 5612522221 is 1222252165.

It is a cyclic number.

It is not a de Polignac number, because 5612522221 - 2³ = 5612522213 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 5612522221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5612522281) 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, 166806 + ... + 197608.

It is an arithmetic number, because the mean of its divisors is an integer number (372420360).

Almost surely, 2^5612522221 is an apocalyptic number.

It is an amenable number.

5612522221 is a deficient number, since it is larger than the sum of its proper divisors (346203539).

5612522221 is a wasteful number, since it uses less digits than its factorization.

5612522221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30996.

The product of its digits is 4800, while the sum is 28.

The square root of 5612522221 is about 74916.7686235865. The cubic root of 5612522221 is about 1777.1306526512.

Adding to 5612522221 its reverse (1222252165), we get a palindrome (6834774386).

The spelling of 5612522221 in words is "five billion, six hundred twelve million, five hundred twenty-two thousand, two hundred twenty-one".