6942220 has 24 divisors (see below), whose sum is σ = 15346800. Its totient is φ = 2630592.

The previous prime is 6942217. The next prime is 6942241. The reversal of 6942220 is 222496.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8755 + ... + 9514.

It is an arithmetic number, because the mean of its divisors is an integer number (639450).

Almost surely, 2^6942220 is an apocalyptic number.

It is an amenable number.

6942220 is an abundant number, since it is smaller than the sum of its proper divisors (8404580).

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

6942220 is a wasteful number, since it uses less digits than its factorization.

6942220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18297 (or 18295 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6942220 is about 2634.8092910114. The cubic root of 6942220 is about 190.7653340909.

The spelling of 6942220 in words is "six million, nine hundred forty-two thousand, two hundred twenty".