6618922 has 4 divisors (see below), whose sum is σ = 9928386. Its totient is φ = 3309460.

The previous prime is 6618919. The next prime is 6618923. The reversal of 6618922 is 2298166.

It is a happy number.

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., 6195121 + 423801 = 2489^2 + 651^2 .

It is not an unprimeable number, because it can be changed into a prime (6618923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1654729 + ... + 1654732.

Almost surely, 2^6618922 is an apocalyptic number.

6618922 is a deficient number, since it is larger than the sum of its proper divisors (3309464).

6618922 is a wasteful number, since it uses less digits than its factorization.

6618922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309463.

The product of its digits is 10368, while the sum is 34.

The square root of 6618922 is about 2572.7265692257. The cubic root of 6618922 is about 187.7568344022.

The spelling of 6618922 in words is "six million, six hundred eighteen thousand, nine hundred twenty-two".