7698262221 has 16 divisors (see below), whose sum is σ = 12282128320. Its totient is φ = 4737391920.

The previous prime is 7698262207. The next prime is 7698262237. The reversal of 7698262221 is 1222628967.

It is not a de Polignac number, because 7698262221 - 2⁶ = 7698262157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7698262241) 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 in 15 ways as a sum of consecutive naturals, for example, 10965835 + ... + 10966536.

It is an arithmetic number, because the mean of its divisors is an integer number (767633020).

Almost surely, 2^7698262221 is an apocalyptic number.

It is an amenable number.

7698262221 is a deficient number, since it is larger than the sum of its proper divisors (4583866099).

7698262221 is a wasteful number, since it uses less digits than its factorization.

7698262221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21932393 (or 21932387 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 7698262221 is about 87739.7414003483. The cubic root of 7698262221 is about 1974.5322587038.

The spelling of 7698262221 in words is "seven billion, six hundred ninety-eight million, two hundred sixty-two thousand, two hundred twenty-one".