22421445426012 has 24 divisors (see below), whose sum is σ = 52316823491856. Its totient is φ = 7473798356608.

The previous prime is 22421445426011. The next prime is 22421445426103. The reversal of 22421445426012 is 21062454412422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421445426011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4231288 + ... + 7921280.

It is an arithmetic number, because the mean of its divisors is an integer number (2179867645494).

Almost surely, 2^{22421445426012} is an apocalyptic number.

It is an amenable number.

22421445426012 is an abundant number, since it is smaller than the sum of its proper divisors (29895378065844).

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

22421445426012 is a wasteful number, since it uses less digits than its factorization.

22421445426012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196357 (or 4196355 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 39.

Adding to 22421445426012 its reverse (21062454412422), we get a palindrome (43483899838434).

The spelling of 22421445426012 in words is "twenty-two trillion, four hundred twenty-one billion, four hundred forty-five million, four hundred twenty-six thousand, twelve".