22212125245400 has 48 divisors (see below), whose sum is σ = 51643516608600. Its totient is φ = 8884794113280.

The previous prime is 22212125245399. The next prime is 22212125245451. The reversal of 22212125245400 is 454252121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48423524 + ... + 48880076.

Almost surely, 2^{22212125245400} is an apocalyptic number.

22212125245400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212125245400 is an abundant number, since it is smaller than the sum of its proper divisors (29431391363200).

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

22212125245400 is a wasteful number, since it uses less digits than its factorization.

22212125245400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699828 (or 699819 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 22212125245400 its reverse (454252121222), we get a palindrome (22666377366622).

The spelling of 22212125245400 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-five million, two hundred forty-five thousand, four hundred".