4625310221 has 4 divisors (see below), whose sum is σ = 5286068832. Its totient is φ = 3964551612.

The previous prime is 4625310211. The next prime is 4625310229. The reversal of 4625310221 is 1220135264.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-4625310221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4625310229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330379295 + ... + 330379308.

It is an arithmetic number, because the mean of its divisors is an integer number (1321517208).

Almost surely, 2^4625310221 is an apocalyptic number.

It is an amenable number.

4625310221 is a deficient number, since it is larger than the sum of its proper divisors (660758611).

4625310221 is an equidigital number, since it uses as much as digits as its factorization.

4625310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660758610.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4625310221 is about 68009.6332955854. The cubic root of 4625310221 is about 1666.1481763485.

Adding to 4625310221 its reverse (1220135264), we get a palindrome (5845445485).

The spelling of 4625310221 in words is "four billion, six hundred twenty-five million, three hundred ten thousand, two hundred twenty-one".