7701222012 has 48 divisors (see below), whose sum is σ = 19608742272. Its totient is φ = 2333033280.

The previous prime is 7701222007. The next prime is 7701222031. The reversal of 7701222012 is 2102221077.

It is a super-2 number, since 2×7701222012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 645243 + ... + 657069.

It is an arithmetic number, because the mean of its divisors is an integer number (408515464).

Almost surely, 2^7701222012 is an apocalyptic number.

It is an amenable number.

7701222012 is an abundant number, since it is smaller than the sum of its proper divisors (11907520260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7701222012 is a wasteful number, since it uses less digits than its factorization.

7701222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16778 (or 16776 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 7701222012 is about 87756.6066572768. The cubic root of 7701222012 is about 1974.7852791828.

Adding to 7701222012 its reverse (2102221077), we get a palindrome (9803443089).

The spelling of 7701222012 in words is "seven billion, seven hundred one million, two hundred twenty-two thousand, twelve".