7922722209 has 16 divisors (see below), whose sum is σ = 11095931904. Its totient is φ = 5018706000.

The previous prime is 7922722183. The next prime is 7922722219. The reversal of 7922722209 is 9022272297.

It is a happy number.

It is not a de Polignac number, because 7922722209 - 2⁸ = 7922721953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7922722219) 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, 369787 + ... + 390624.

It is an arithmetic number, because the mean of its divisors is an integer number (693495744).

Almost surely, 2^7922722209 is an apocalyptic number.

It is an amenable number.

7922722209 is a deficient number, since it is larger than the sum of its proper divisors (3173209695).

7922722209 is a wasteful number, since it uses less digits than its factorization.

7922722209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760588.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 7922722209 is about 89009.6748056075. The cubic root of 7922722209 is about 1993.5393364691.

The spelling of 7922722209 in words is "seven billion, nine hundred twenty-two million, seven hundred twenty-two thousand, two hundred nine".