5145221122 has 16 divisors (see below), whose sum is σ = 8453610360. Its totient is φ = 2337787648.

The previous prime is 5145221119. The next prime is 5145221129. The reversal of 5145221122 is 2211225415.

It can be written as a sum of positive squares in 4 ways, for example, as 5139599481 + 5621641 = 71691^2 + 2371^2 .

It is not an unprimeable number, because it can be changed into a prime (5145221129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2608153 + ... + 2610124.

Almost surely, 2^5145221122 is an apocalyptic number.

5145221122 is a deficient number, since it is larger than the sum of its proper divisors (3308389238).

5145221122 is a wasteful number, since it uses less digits than its factorization.

5145221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218325.

The product of its digits is 1600, while the sum is 25.

The square root of 5145221122 is about 71730.1967235557. The cubic root of 5145221122 is about 1726.3731833662.

Adding to 5145221122 its reverse (2211225415), we get a palindrome (7356446537).

The spelling of 5145221122 in words is "five billion, one hundred forty-five million, two hundred twenty-one thousand, one hundred twenty-two".