6225690 has 16 divisors (see below), whose sum is σ = 14941728. Its totient is φ = 1660176.

The previous prime is 6225679. The next prime is 6225697. The reversal of 6225690 is 965226.

It is a super-2 number, since 2×6225690² = 77518431952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 207523 = 6225690 / (6 + 2 + 2 + 5 + 6 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (6225697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103732 + ... + 103791.

It is an arithmetic number, because the mean of its divisors is an integer number (933858).

Almost surely, 2^6225690 is an apocalyptic number.

6225690 is an abundant number, since it is smaller than the sum of its proper divisors (8716038).

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

6225690 is a wasteful number, since it uses less digits than its factorization.

6225690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207533.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 6225690 is about 2495.1332629741. The cubic root of 6225690 is about 183.9624411366.

It can be divided in two parts, 62 and 25690, that added together give a palindrome (25752).

The spelling of 6225690 in words is "six million, two hundred twenty-five thousand, six hundred ninety".