22010400412 has 96 divisors (see below), whose sum is σ = 54759075840. Its totient is φ = 7450168320.

The previous prime is 22010400407. The next prime is 22010400479. The reversal of 22010400412 is 21400401022.

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 31 ways as a sum of consecutive naturals, for example, 93612 + ... + 229747.

It is an arithmetic number, because the mean of its divisors is an integer number (570407040).

Almost surely, 2^22010400412 is an apocalyptic number.

22010400412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22010400412 is an abundant number, since it is smaller than the sum of its proper divisors (32748675428).

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

22010400412 is a wasteful number, since it uses less digits than its factorization.

22010400412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323411 (or 323409 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22010400412 its reverse (21400401022), we get a palindrome (43410801434).

The spelling of 22010400412 in words is "twenty-two billion, ten million, four hundred thousand, four hundred twelve".