2221240325 has 24 divisors (see below), whose sum is σ = 2803320576. Its totient is φ = 1745576000.

The previous prime is 2221240309. The next prime is 2221240339. The reversal of 2221240325 is 5230421222.

It is not a de Polignac number, because 2221240325 - 2⁴ = 2221240309 is a prime.

It is a super-2 number, since 2×2221240325² = 9867817162812211250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221240325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517940 + ... + 522210.

It is an arithmetic number, because the mean of its divisors is an integer number (116805024).

Almost surely, 2^2221240325 is an apocalyptic number.

2221240325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2221240325 is a deficient number, since it is larger than the sum of its proper divisors (582080251).

2221240325 is a wasteful number, since it uses less digits than its factorization.

2221240325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2221240325 is about 47130.0363356533. The cubic root of 2221240325 is about 1304.7636521915.

Adding to 2221240325 its reverse (5230421222), we get a palindrome (7451661547).

The spelling of 2221240325 in words is "two billion, two hundred twenty-one million, two hundred forty thousand, three hundred twenty-five".