4221773506 has 8 divisors (see below), whose sum is σ = 6705169740. Its totient is φ = 1986716928.

The previous prime is 4221773477. The next prime is 4221773531. The reversal of 4221773506 is 6053771224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4071588481 + 150185025 = 63809^2 + 12255^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 62084871 + ... + 62084938.

Almost surely, 2^4221773506 is an apocalyptic number.

4221773506 is a deficient number, since it is larger than the sum of its proper divisors (2483396234).

4221773506 is a wasteful number, since it uses less digits than its factorization.

4221773506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124169828.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 4221773506 is about 64975.1760751750. The cubic root of 4221773506 is about 1616.2119369720.

The spelling of 4221773506 in words is "four billion, two hundred twenty-one million, seven hundred seventy-three thousand, five hundred six".