6429225 has 24 divisors (see below), whose sum is σ = 11597472. Its totient is φ = 3116800.

The previous prime is 6429223. The next prime is 6429323. The reversal of 6429225 is 5229246.

It is not a de Polignac number, because 6429225 - 2¹ = 6429223 is a prime.

6429225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6429192 and 6429201.

It is not an unprimeable number, because it can be changed into a prime (6429221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3072 + ... + 4721.

It is an arithmetic number, because the mean of its divisors is an integer number (483228).

Almost surely, 2^6429225 is an apocalyptic number.

It is an amenable number.

6429225 is a deficient number, since it is larger than the sum of its proper divisors (5168247).

6429225 is a wasteful number, since it uses less digits than its factorization.

6429225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817 (or 7812 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 6429225 is about 2535.5916469337. The cubic root of 6429225 is about 185.9457293394.

The spelling of 6429225 in words is "six million, four hundred twenty-nine thousand, two hundred twenty-five".