6618022 has 4 divisors (see below), whose sum is σ = 9927036. Its totient is φ = 3309010.

The previous prime is 6618013. The next prime is 6618037. The reversal of 6618022 is 2208166.

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, 1654504 + ... + 1654507.

It is an arithmetic number, because the mean of its divisors is an integer number (2481759).

Almost surely, 2^6618022 is an apocalyptic number.

6618022 is a deficient number, since it is larger than the sum of its proper divisors (3309014).

6618022 is a wasteful number, since it uses less digits than its factorization.

6618022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309013.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 6618022 is about 2572.5516515709. The cubic root of 6618022 is about 187.7483240128.

The spelling of 6618022 in words is "six million, six hundred eighteen thousand, twenty-two".