7999022 has 4 divisors (see below), whose sum is σ = 11998536. Its totient is φ = 3999510.

The previous prime is 7998979. The next prime is 7999051. The reversal of 7999022 is 2209997.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999754 + ... + 1999757.

It is an arithmetic number, because the mean of its divisors is an integer number (2999634).

Almost surely, 2^7999022 is an apocalyptic number.

7999022 is a deficient number, since it is larger than the sum of its proper divisors (3999514).

7999022 is a wasteful number, since it uses less digits than its factorization.

7999022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999513.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 7999022 is about 2828.2542318540. The cubic root of 7999022 is about 199.9918496679.

The spelling of 7999022 in words is "seven million, nine hundred ninety-nine thousand, twenty-two".