5145251222 has 4 divisors (see below), whose sum is σ = 7717876836. Its totient is φ = 2572625610.

The previous prime is 5145251149. The next prime is 5145251227. The reversal of 5145251222 is 2221525415.

It is a happy number.

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

It is a super-2 number, since 2×5145251222² = 52947220274984986568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145251227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286312804 + ... + 1286312807.

It is an arithmetic number, because the mean of its divisors is an integer number (1929469209).

Almost surely, 2^5145251222 is an apocalyptic number.

5145251222 is a deficient number, since it is larger than the sum of its proper divisors (2572625614).

5145251222 is a wasteful number, since it uses less digits than its factorization.

5145251222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572625613.

The product of its digits is 8000, while the sum is 29.

The square root of 5145251222 is about 71730.4065372559. The cubic root of 5145251222 is about 1726.3765498384.

Adding to 5145251222 its reverse (2221525415), we get a palindrome (7366776637).

The spelling of 5145251222 in words is "five billion, one hundred forty-five million, two hundred fifty-one thousand, two hundred twenty-two".