2224882821 has 16 divisors (see below), whose sum is σ = 3421404800. Its totient is φ = 1259696448.

The previous prime is 2224882783. The next prime is 2224882903. The reversal of 2224882821 is 1282884222.

It is not a de Polignac number, because 2224882821 - 2¹¹ = 2224880773 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 2224882821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224882721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483706 + ... + 488283.

It is an arithmetic number, because the mean of its divisors is an integer number (213837800).

Almost surely, 2^2224882821 is an apocalyptic number.

2224882821 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2224882821 is a deficient number, since it is larger than the sum of its proper divisors (1196521979).

2224882821 is a wasteful number, since it uses less digits than its factorization.

2224882821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972108.

The product of its digits is 65536, while the sum is 39.

The square root of 2224882821 is about 47168.6635490131. The cubic root of 2224882821 is about 1305.4764672870.

The spelling of 2224882821 in words is "two billion, two hundred twenty-four million, eight hundred eighty-two thousand, eight hundred twenty-one".