22121244224300 has 72 divisors (see below), whose sum is σ = 52897870580016. Its totient is φ = 7977894140160.

The previous prime is 22121244224269. The next prime is 22121244224309. The reversal of 22121244224300 is 342244212122.

It is a super-2 number, since 2×22121244224300² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22121244224309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197808539 + ... + 197920338.

Almost surely, 2^{22121244224300} is an apocalyptic number.

22121244224300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121244224300 is an abundant number, since it is smaller than the sum of its proper divisors (30776626355716).

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

22121244224300 is a wasteful number, since it uses less digits than its factorization.

22121244224300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395728947 (or 395728940 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 22121244224300 its reverse (342244212122), we get a palindrome (22463488436422).

The spelling of 22121244224300 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred forty-four million, two hundred twenty-four thousand, three hundred".