4643622225 has 36 divisors (see below), whose sum is σ = 9073361232. Its totient is φ = 2251452000.

The previous prime is 4643622223. The next prime is 4643622227. The reversal of 4643622225 is 5222263464.

4643622225 is a `hidden beast` number, since 4 + 6 + 4 + 3 + 622 + 2 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (4643622223) and next prime (4643622227).

It is not a de Polignac number, because 4643622225 - 2¹ = 4643622223 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4643622225.

It is not an unprimeable number, because it can be changed into a prime (4643622223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 935631 + ... + 940580.

It is an arithmetic number, because the mean of its divisors is an integer number (252037812).

Almost surely, 2^4643622225 is an apocalyptic number.

4643622225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4643622225 is a deficient number, since it is larger than the sum of its proper divisors (4429739007).

4643622225 is a wasteful number, since it uses less digits than its factorization.

4643622225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876238 (or 1876230 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 4643622225 is about 68144.1283237228. The cubic root of 4643622225 is about 1668.3440892967.

Adding to 4643622225 its reverse (5222263464), we get a palindrome (9865885689).

The spelling of 4643622225 in words is "four billion, six hundred forty-three million, six hundred twenty-two thousand, two hundred twenty-five".