22311021404 has 24 divisors (see below), whose sum is σ = 45463971168. Its totient is φ = 9381453120.

The previous prime is 22311021367. The next prime is 22311021419. The reversal of 22311021404 is 40412011322.

It is a super-3 number, since 3×22311021404³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7515707 + ... + 7518674.

It is an arithmetic number, because the mean of its divisors is an integer number (1894332132).

Almost surely, 2^22311021404 is an apocalyptic number.

It is an amenable number.

22311021404 is an abundant number, since it is smaller than the sum of its proper divisors (23152949764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22311021404 is a wasteful number, since it uses less digits than its factorization.

22311021404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15034445 (or 15034443 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22311021404 its reverse (40412011322), we get a palindrome (62723032726).

The spelling of 22311021404 in words is "twenty-two billion, three hundred eleven million, twenty-one thousand, four hundred four".