4622829821 has 4 divisors (see below), whose sum is σ = 4630548000. Its totient is φ = 4615111644.

The previous prime is 4622829781. The next prime is 4622829851. The reversal of 4622829821 is 1289282264.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4622829821 - 2²² = 4618635517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4622829851) by changing a digit.

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, 3858191 + ... + 3859388.

It is an arithmetic number, because the mean of its divisors is an integer number (1157637000).

Almost surely, 2^4622829821 is an apocalyptic number.

It is an amenable number.

4622829821 is a deficient number, since it is larger than the sum of its proper divisors (7718179).

4622829821 is an equidigital number, since it uses as much as digits as its factorization.

4622829821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718178.

The product of its digits is 221184, while the sum is 44.

The square root of 4622829821 is about 67991.3951982161. The cubic root of 4622829821 is about 1665.8502898137.

The spelling of 4622829821 in words is "four billion, six hundred twenty-two million, eight hundred twenty-nine thousand, eight hundred twenty-one".