4642225 has 24 divisors (see below), whose sum is σ = 6749568. Its totient is φ = 3100800.

The previous prime is 4642223. The next prime is 4642259. The reversal of 4642225 is 5222464.

4642225 = 130² + 131² + ... + 252².

4642225 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 4642225 - 2¹ = 4642223 is a prime.

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

4642225 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4642225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642223) 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, 6852 + ... + 7498.

It is an arithmetic number, because the mean of its divisors is an integer number (281232).

Almost surely, 2^4642225 is an apocalyptic number.

It is an amenable number.

4642225 is a deficient number, since it is larger than the sum of its proper divisors (2107343).

4642225 is a wasteful number, since it uses less digits than its factorization.

4642225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 700 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 4642225 is about 2154.5823261133. The cubic root of 4642225 is about 166.8176742500.

Adding to 4642225 its reverse (5222464), we get a palindrome (9864689).

The spelling of 4642225 in words is "four million, six hundred forty-two thousand, two hundred twenty-five".