7422211643 has 16 divisors (see below), whose sum is σ = 9442521600. Its totient is φ = 5783538600.

The previous prime is 7422211633. The next prime is 7422211691. The reversal of 7422211643 is 3461122247.

It is not a de Polignac number, because 7422211643 - 2¹² = 7422207547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7422211603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979823 + ... + 987368.

It is an arithmetic number, because the mean of its divisors is an integer number (590157600).

Almost surely, 2^7422211643 is an apocalyptic number.

7422211643 is a deficient number, since it is larger than the sum of its proper divisors (2020309957).

7422211643 is a wasteful number, since it uses less digits than its factorization.

7422211643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967223 (or 1967209 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 7422211643 is about 86152.2584904192. The cubic root of 7422211643 is about 1950.6429300534.

The spelling of 7422211643 in words is "seven billion, four hundred twenty-two million, two hundred eleven thousand, six hundred forty-three".