6722142 has 32 divisors (see below), whose sum is σ = 15897600. Its totient is φ = 1854048.

The previous prime is 6722137. The next prime is 6722153. The reversal of 6722142 is 2412276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1542 + ... + 3977.

It is an arithmetic number, because the mean of its divisors is an integer number (496800).

Almost surely, 2^6722142 is an apocalyptic number.

6722142 is an abundant number, since it is smaller than the sum of its proper divisors (9175458).

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

6722142 is a wasteful number, since it uses less digits than its factorization.

6722142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560.

The product of its digits is 1344, while the sum is 24.

The square root of 6722142 is about 2592.7093936652. The cubic root of 6722142 is about 188.7278072821.

It can be divided in two parts, 67221 and 42, that multiplied together give a palindrome (2823282).

The spelling of 6722142 in words is "six million, seven hundred twenty-two thousand, one hundred forty-two".