4225657990 has 16 divisors (see below), whose sum is σ = 7656559200. Its totient is φ = 1679068800.

The previous prime is 4225657987. The next prime is 4225658009. The reversal of 4225657990 is 997565224.

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, 1397715 + ... + 1400734.

It is an arithmetic number, because the mean of its divisors is an integer number (478534950).

Almost surely, 2^4225657990 is an apocalyptic number.

4225657990 is a deficient number, since it is larger than the sum of its proper divisors (3430901210).

4225657990 is a wasteful number, since it uses less digits than its factorization.

4225657990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798607.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 4225657990 is about 65005.0612644892. The cubic root of 4225657990 is about 1616.7074810730.

The spelling of 4225657990 in words is "four billion, two hundred twenty-five million, six hundred fifty-seven thousand, nine hundred ninety".