4221010505 has 32 divisors (see below), whose sum is σ = 5339271168. Its totient is φ = 3199392000.

The previous prime is 4221010487. The next prime is 4221010517. The reversal of 4221010505 is 5050101224.

It is not a de Polignac number, because 4221010505 - 2¹⁶ = 4220944969 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 3666680 + ... + 3667830.

It is an arithmetic number, because the mean of its divisors is an integer number (166852224).

Almost surely, 2^4221010505 is an apocalyptic number.

It is an amenable number.

4221010505 is a deficient number, since it is larger than the sum of its proper divisors (1118260663).

4221010505 is a wasteful number, since it uses less digits than its factorization.

4221010505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 4221010505 is about 64969.3043290445. The cubic root of 4221010505 is about 1616.1145651274.

Adding to 4221010505 its reverse (5050101224), we get a palindrome (9271111729).

The spelling of 4221010505 in words is "four billion, two hundred twenty-one million, ten thousand, five hundred five".