4905225 has 72 divisors (see below), whose sum is σ = 9984480. Its totient is φ = 2358720.

The previous prime is 4905221. The next prime is 4905227. The reversal of 4905225 is 5225094.

It is not a de Polignac number, because 4905225 - 2² = 4905221 is a prime.

It is a super-2 number, since 2×4905225² = 48122464601250, which contains 22 as substring.

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

It is an Ulam number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (4905221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 114054 + ... + 114096.

Almost surely, 2^4905225 is an apocalyptic number.

4905225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4905225 is an abundant number, since it is smaller than the sum of its proper divisors (5079255).

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

4905225 is a wasteful number, since it uses less digits than its factorization.

4905225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4905225 is about 2214.7742548621. The cubic root of 4905225 is about 169.9102756054.

The spelling of 4905225 in words is "four million, nine hundred five thousand, two hundred twenty-five".