6442922 has 8 divisors (see below), whose sum is σ = 9684900. Its totient is φ = 3214624.

The previous prime is 6442897. The next prime is 6442937. The reversal of 6442922 is 2292446.

It can be written as a sum of positive squares in 2 ways, for example, as 5851561 + 591361 = 2419^2 + 769^2 .

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

It is a super-2 number, since 2×6442922² = 83022487796168, which contains 22 as substring.

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, 2147 + ... + 4182.

Almost surely, 2^6442922 is an apocalyptic number.

6442922 is a deficient number, since it is larger than the sum of its proper divisors (3241978).

6442922 is a wasteful number, since it uses less digits than its factorization.

6442922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6840.

The product of its digits is 6912, while the sum is 29.

The square root of 6442922 is about 2538.2911574522. The cubic root of 6442922 is about 186.0776836642.

The spelling of 6442922 in words is "six million, four hundred forty-two thousand, nine hundred twenty-two".