7922131 has 8 divisors (see below), whose sum is σ = 9202784. Its totient is φ = 6678720.

The previous prime is 7922129. The next prime is 7922141. The reversal of 7922131 is 1312297.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7922131 - 2¹ = 7922129 is a prime.

It is a super-2 number, since 2×7922131² = 125520319162322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7922096 and 7922105.

It is not an unprimeable number, because it can be changed into a prime (7922111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8850 + ... + 9703.

It is an arithmetic number, because the mean of its divisors is an integer number (1150348).

Almost surely, 2^7922131 is an apocalyptic number.

7922131 is a deficient number, since it is larger than the sum of its proper divisors (1280653).

7922131 is a wasteful number, since it uses less digits than its factorization.

7922131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18621.

The product of its digits is 756, while the sum is 25.

The square root of 7922131 is about 2814.6280393686. The cubic root of 7922131 is about 199.3489747970.

The spelling of 7922131 in words is "seven million, nine hundred twenty-two thousand, one hundred thirty-one".