7842322 has 4 divisors (see below), whose sum is σ = 11763486. Its totient is φ = 3921160.

The previous prime is 7842299. The next prime is 7842323. The reversal of 7842322 is 2232487.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7834401 + 7921 = 2799^2 + 89^2 .

It is not an unprimeable number, because it can be changed into a prime (7842323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960579 + ... + 1960582.

Almost surely, 2^7842322 is an apocalyptic number.

7842322 is a deficient number, since it is larger than the sum of its proper divisors (3921164).

7842322 is a wasteful number, since it uses less digits than its factorization.

7842322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921163.

The product of its digits is 5376, while the sum is 28.

The square root of 7842322 is about 2800.4146121601. The cubic root of 7842322 is about 198.6772881178.

The spelling of 7842322 in words is "seven million, eight hundred forty-two thousand, three hundred twenty-two".