6219442 has 8 divisors (see below), whose sum is σ = 9341100. Its totient is φ = 3105744.

The previous prime is 6219419. The next prime is 6219443. The reversal of 6219442 is 2449126.

It can be written as a sum of positive squares in 2 ways, for example, as 5997601 + 221841 = 2449^2 + 471^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6219442.

It is not an unprimeable number, because it can be changed into a prime (6219443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684 + ... + 3592.

Almost surely, 2^6219442 is an apocalyptic number.

6219442 is a deficient number, since it is larger than the sum of its proper divisors (3121658).

6219442 is a wasteful number, since it uses less digits than its factorization.

6219442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980.

The product of its digits is 3456, while the sum is 28.

The square root of 6219442 is about 2493.8809113508. The cubic root of 6219442 is about 183.9008799789.

The spelling of 6219442 in words is "six million, two hundred nineteen thousand, four hundred forty-two".