22002121304 has 16 divisors (see below), whose sum is σ = 41256216600. Its totient is φ = 11000463552.

The previous prime is 22002121291. The next prime is 22002121313. The reversal of 22002121304 is 40312120022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108359 + ... + 236105.

Almost surely, 2^22002121304 is an apocalyptic number.

It is an amenable number.

22002121304 is a deficient number, since it is larger than the sum of its proper divisors (19254095296).

22002121304 is a wasteful number, since it uses less digits than its factorization.

22002121304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149282 (or 149278 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22002121304 its reverse (40312120022), we get a palindrome (62314241326).

The spelling of 22002121304 in words is "twenty-two billion, two million, one hundred twenty-one thousand, three hundred four".