7122668 has 24 divisors (see below), whose sum is σ = 14364672. Its totient is φ = 3027024.

The previous prime is 7122667. The next prime is 7122679. The reversal of 7122668 is 8662217.

It is not an unprimeable number, because it can be changed into a prime (7122667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555 + ... + 4557.

It is an arithmetic number, because the mean of its divisors is an integer number (598528).

Almost surely, 2^7122668 is an apocalyptic number.

It is an amenable number.

7122668 is an abundant number, since it is smaller than the sum of its proper divisors (7242004).

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

7122668 is a wasteful number, since it uses less digits than its factorization.

7122668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2139 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 7122668 is about 2668.8327036366. The cubic root of 7122668 is about 192.4040608119.

The spelling of 7122668 in words is "seven million, one hundred twenty-two thousand, six hundred sixty-eight".