4251625422 has 16 divisors (see below), whose sum is σ = 9276273792. Its totient is φ = 1288371320.

The previous prime is 4251625403. The next prime is 4251625439. The reversal of 4251625422 is 2245261524.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32209218 + ... + 32209349.

It is an arithmetic number, because the mean of its divisors is an integer number (579767112).

Almost surely, 2^4251625422 is an apocalyptic number.

4251625422 is an abundant number, since it is smaller than the sum of its proper divisors (5024648370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4251625422 is a wasteful number, since it uses less digits than its factorization.

4251625422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64418583.

The product of its digits is 38400, while the sum is 33.

The square root of 4251625422 is about 65204.4892779631. The cubic root of 4251625422 is about 1620.0123737814.

Adding to 4251625422 its reverse (2245261524), we get a palindrome (6496886946).

The spelling of 4251625422 in words is "four billion, two hundred fifty-one million, six hundred twenty-five thousand, four hundred twenty-two".