7922081 has 4 divisors (see below), whose sum is σ = 8177664. Its totient is φ = 7666500.

The previous prime is 7922059. The next prime is 7922093. The reversal of 7922081 is 1802297.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7922081 - 2¹⁰ = 7921057 is a prime.

It is a super-2 number, since 2×7922081² = 125518734741122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7922021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127745 + ... + 127806.

It is an arithmetic number, because the mean of its divisors is an integer number (2044416).

Almost surely, 2^7922081 is an apocalyptic number.

It is an amenable number.

7922081 is a deficient number, since it is larger than the sum of its proper divisors (255583).

7922081 is a wasteful number, since it uses less digits than its factorization.

7922081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255582.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 7922081 is about 2814.6191571863. The cubic root of 7922081 is about 199.3485554035.

The spelling of 7922081 in words is "seven million, nine hundred twenty-two thousand, eighty-one".