4245244522 has 8 divisors (see below), whose sum is σ = 6742447236. Its totient is φ = 1997762112.

The previous prime is 4245244517. The next prime is 4245244561. The reversal of 4245244522 is 2254425424.

It is a happy number.

4245244522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3642001801 + 603242721 = 60349^2 + 24561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 124860133 = 4245244522 / (4 + 2 + 4 + 5 + 2 + 4 + 4 + 5 + 2 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62430033 + ... + 62430100.

Almost surely, 2^4245244522 is an apocalyptic number.

4245244522 is a deficient number, since it is larger than the sum of its proper divisors (2497202714).

4245244522 is a wasteful number, since it uses less digits than its factorization.

4245244522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124860152.

The product of its digits is 102400, while the sum is 34.

The square root of 4245244522 is about 65155.5409923055. The cubic root of 4245244522 is about 1619.2015221173.

Adding to 4245244522 its reverse (2254425424), we get a palindrome (6499669946).

The spelling of 4245244522 in words is "four billion, two hundred forty-five million, two hundred forty-four thousand, five hundred twenty-two".