6620242 has 8 divisors (see below), whose sum is σ = 10514556. Its totient is φ = 3115392.

The previous prime is 6620231. The next prime is 6620261. The reversal of 6620242 is 2420266.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6610041 + 10201 = 2571^2 + 101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97323 + ... + 97390.

Almost surely, 2^6620242 is an apocalyptic number.

6620242 is a deficient number, since it is larger than the sum of its proper divisors (3894314).

6620242 is a wasteful number, since it uses less digits than its factorization.

6620242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194732.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 6620242 is about 2572.9830936094. The cubic root of 6620242 is about 187.7693149113.

The spelling of 6620242 in words is "six million, six hundred twenty thousand, two hundred forty-two".