7922144 has 24 divisors (see below), whose sum is σ = 16020648. Its totient is φ = 3853440.

The previous prime is 7922141. The next prime is 7922149. The reversal of 7922144 is 4412297.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7922141) 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, 2162 + ... + 4529.

It is an arithmetic number, because the mean of its divisors is an integer number (667527).

Almost surely, 2^7922144 is an apocalyptic number.

7922144 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

7922144 is an abundant number, since it is smaller than the sum of its proper divisors (8098504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7922144 is a wasteful number, since it uses less digits than its factorization.

7922144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738 (or 6730 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 7922144 is about 2814.6303487314. The cubic root of 7922144 is about 199.3490838390.

The spelling of 7922144 in words is "seven million, nine hundred twenty-two thousand, one hundred forty-four".