34405225 has 12 divisors (see below), whose sum is σ = 42929296. Its totient is φ = 27352080.

The previous prime is 34405207. The next prime is 34405253. The reversal of 34405225 is 52250443.

It is not a de Polignac number, because 34405225 - 2⁷ = 34405097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34405225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147 + ... + 8296.

Almost surely, 2^34405225 is an apocalyptic number.

It is an amenable number.

34405225 is a deficient number, since it is larger than the sum of its proper divisors (8524071).

34405225 is a wasteful number, since it uses less digits than its factorization.

34405225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8616 (or 8611 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 34405225 is about 5865.5967300864. The cubic root of 34405225 is about 325.2431316779.

Adding to 34405225 its reverse (52250443), we get a palindrome (86655668).

The spelling of 34405225 in words is "thirty-four million, four hundred five thousand, two hundred twenty-five".