2421022725 has 72 divisors (see below), whose sum is σ = 4776962112. Its totient is φ = 1162310400.

The previous prime is 2421022603. The next prime is 2421022727. The reversal of 2421022725 is 5272201242.

It is a de Polignac number, because none of the positive numbers 2^k-2421022725 is a prime.

It is a super-2 number, since 2×2421022725² = 11722702069932851250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421022727) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 250177 + ... + 259673.

It is an arithmetic number, because the mean of its divisors is an integer number (66346696).

Almost surely, 2^2421022725 is an apocalyptic number.

2421022725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2421022725 is a deficient number, since it is larger than the sum of its proper divisors (2355939387).

2421022725 is a wasteful number, since it uses less digits than its factorization.

2421022725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9627 (or 9619 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2421022725 is about 49203.8893279789. The cubic root of 2421022725 is about 1342.7637924044.

Adding to 2421022725 its reverse (5272201242), we get a palindrome (7693223967).

The spelling of 2421022725 in words is "two billion, four hundred twenty-one million, twenty-two thousand, seven hundred twenty-five".