652146722 has 12 divisors (see below), whose sum is σ = 1013117586. Its totient is φ = 314828640.

The previous prime is 652146683. The next prime is 652146727. The reversal of 652146722 is 227641256.

It can be written as a sum of positive squares in 3 ways, for example, as 633579241 + 18567481 = 25171^2 + 4309^2 .

It is not an unprimeable number, because it can be changed into a prime (652146727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192179 + ... + 195542.

Almost surely, 2^652146722 is an apocalyptic number.

652146722 is a deficient number, since it is larger than the sum of its proper divisors (360970864).

652146722 is a wasteful number, since it uses less digits than its factorization.

652146722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387781 (or 387752 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 652146722 is about 25537.1635464865. The cubic root of 652146722 is about 867.1916854017.

Adding to 652146722 its reverse (227641256), we get a palindrome (879787978).

The spelling of 652146722 in words is "six hundred fifty-two million, one hundred forty-six thousand, seven hundred twenty-two".