6422625 has 64 divisors (see below), whose sum is σ = 13029120. Its totient is φ = 3096000.

The previous prime is 6422599. The next prime is 6422639. The reversal of 6422625 is 5262246.

It is not a de Polignac number, because 6422625 - 2⁶ = 6422561 is a prime.

It is a super-2 number, since 2×6422625² = 82500223781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 6² + 4⁸ + 2¹⁶ + 2²¹ + 6² + 2²² + 5² .

Its product of digits (5760) is a multiple of the sum of its prime divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37039 + ... + 37211.

It is an arithmetic number, because the mean of its divisors is an integer number (203580).

Almost surely, 2^6422625 is an apocalyptic number.

It is an amenable number.

6422625 is an abundant number, since it is smaller than the sum of its proper divisors (6606495).

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

6422625 is a wasteful number, since it uses less digits than its factorization.

6422625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 192 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 6422625 is about 2534.2898413560. The cubic root of 6422625 is about 185.8820792624.

The spelling of 6422625 in words is "six million, four hundred twenty-two thousand, six hundred twenty-five".