4225065994 has 4 divisors (see below), whose sum is σ = 6337598994. Its totient is φ = 2112532996.

The previous prime is 4225065989. The next prime is 4225066019. The reversal of 4225065994 is 4995605224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3261894769 + 963171225 = 57113^2 + 31035^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056266497 + ... + 1056266500.

Almost surely, 2^4225065994 is an apocalyptic number.

4225065994 is a deficient number, since it is larger than the sum of its proper divisors (2112533000).

4225065994 is a wasteful number, since it uses less digits than its factorization.

4225065994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112532999.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 4225065994 is about 65000.5076441715. The cubic root of 4225065994 is about 1616.6319796906.

The spelling of 4225065994 in words is "four billion, two hundred twenty-five million, sixty-five thousand, nine hundred ninety-four".