22037003821 has 16 divisors (see below), whose sum is σ = 26003737600. Its totient is φ = 18275207040.

The previous prime is 22037003803. The next prime is 22037003839. The reversal of 22037003821 is 12830073022.

It is an interprime number because it is at equal distance from previous prime (22037003803) and next prime (22037003839).

It is a cyclic number.

It is not a de Polignac number, because 22037003821 - 2¹⁵ = 22036971053 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 22037003821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22037003851) 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 15 ways as a sum of consecutive naturals, for example, 1173115 + ... + 1191751.

It is an arithmetic number, because the mean of its divisors is an integer number (1625233600).

Almost surely, 2^22037003821 is an apocalyptic number.

It is an amenable number.

22037003821 is a deficient number, since it is larger than the sum of its proper divisors (3966733779).

22037003821 is a wasteful number, since it uses less digits than its factorization.

22037003821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24124.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 22037003821 its reverse (12830073022), we get a palindrome (34867076843).

The spelling of 22037003821 in words is "twenty-two billion, thirty-seven million, three thousand, eight hundred twenty-one".