3420355225 has 12 divisors (see below), whose sum is σ = 4847132224. Its totient is φ = 2345386320.

The previous prime is 3420355219. The next prime is 3420355247. The reversal of 3420355225 is 5225530243.

It is not a de Polignac number, because 3420355225 - 2⁵ = 3420355193 is a prime.

It is a Duffinian number.

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, 9772269 + ... + 9772618.

Almost surely, 2^3420355225 is an apocalyptic number.

3420355225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3420355225 is a deficient number, since it is larger than the sum of its proper divisors (1426776999).

3420355225 is a wasteful number, since it uses less digits than its factorization.

3420355225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19544904 (or 19544899 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 3420355225 is about 58483.8030996617. The cubic root of 3420355225 is about 1506.6894160545.

Adding to 3420355225 its reverse (5225530243), we get a palindrome (8645885468).

The spelling of 3420355225 in words is "three billion, four hundred twenty million, three hundred fifty-five thousand, two hundred twenty-five".