7222513162 has 8 divisors (see below), whose sum is σ = 11207348100. Its totient is φ = 3486730464.

The previous prime is 7222513159. The next prime is 7222513169. The reversal of 7222513162 is 2613152227.

It can be written as a sum of positive squares in 2 ways, for example, as 6486530521 + 735982641 = 80539^2 + 27129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7222513169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62262987 + ... + 62263102.

Almost surely, 2^7222513162 is an apocalyptic number.

7222513162 is a deficient number, since it is larger than the sum of its proper divisors (3984834938).

7222513162 is a wasteful number, since it uses less digits than its factorization.

7222513162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124526120.

The product of its digits is 10080, while the sum is 31.

The square root of 7222513162 is about 84985.3702821845. The cubic root of 7222513162 is about 1932.9892880129.

Adding to 7222513162 its reverse (2613152227), we get a palindrome (9835665389).

The spelling of 7222513162 in words is "seven billion, two hundred twenty-two million, five hundred thirteen thousand, one hundred sixty-two".