6122240821 has 16 divisors (see below), whose sum is σ = 6625704960. Its totient is φ = 5634904320.

The previous prime is 6122240807. The next prime is 6122240863. The reversal of 6122240821 is 1280422216.

It is a de Polignac number, because none of the positive numbers 2^k-6122240821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6122240821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6122240521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331236 + ... + 1335826.

It is an arithmetic number, because the mean of its divisors is an integer number (414106560).

Almost surely, 2^6122240821 is an apocalyptic number.

It is an amenable number.

6122240821 is a deficient number, since it is larger than the sum of its proper divisors (503464139).

6122240821 is a wasteful number, since it uses less digits than its factorization.

6122240821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 6122240821 is about 78244.7494787989. The cubic root of 6122240821 is about 1829.3780741690.

The spelling of 6122240821 in words is "six billion, one hundred twenty-two million, two hundred forty thousand, eight hundred twenty-one".