4224040425 has 54 divisors (see below), whose sum is σ = 8316099246. Its totient is φ = 2048006400.

The previous prime is 4224040363. The next prime is 4224040427. The reversal of 4224040425 is 5240404224.

It can be written as a sum of positive squares in 3 ways, for example, as 664247529 + 3559792896 = 25773^2 + 59664^2 .

It is not a de Polignac number, because 4224040425 - 2⁷ = 4224040297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4224040427) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 50352 + ... + 104801.

Almost surely, 2^4224040425 is an apocalyptic number.

4224040425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4224040425 is a deficient number, since it is larger than the sum of its proper divisors (4092058821).

4224040425 is a wasteful number, since it uses less digits than its factorization.

4224040425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155191 (or 155172 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 4224040425 is about 64992.6182346888. The cubic root of 4224040425 is about 1616.5011650231.

Adding to 4224040425 its reverse (5240404224), we get a palindrome (9464444649).

The spelling of 4224040425 in words is "four billion, two hundred twenty-four million, forty thousand, four hundred twenty-five".