4245221762 has 4 divisors (see below), whose sum is σ = 6367832646. Its totient is φ = 2122610880.

The previous prime is 4245221707. The next prime is 4245221789. The reversal of 4245221762 is 2671225424.

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., 4140793801 + 104427961 = 64349^2 + 10219^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061305439 + ... + 1061305442.

Almost surely, 2^4245221762 is an apocalyptic number.

4245221762 is a deficient number, since it is larger than the sum of its proper divisors (2122610884).

4245221762 is a wasteful number, since it uses less digits than its factorization.

4245221762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122610883.

The product of its digits is 53760, while the sum is 35.

The square root of 4245221762 is about 65155.3663330965. The cubic root of 4245221762 is about 1619.1986284408.

The spelling of 4245221762 in words is "four billion, two hundred forty-five million, two hundred twenty-one thousand, seven hundred sixty-two".