22254113555212 has 192 divisors, whose sum is σ = 50424780607488. Its totient is φ = 8343548928000.

The previous prime is 22254113555183. The next prime is 22254113555231. The reversal of 22254113555212 is 21255531145222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 351473037 + ... + 351536347.

It is an arithmetic number, because the mean of its divisors is an integer number (262629065664).

Almost surely, 2^{22254113555212} is an apocalyptic number.

22254113555212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22254113555212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25212390303744).

22254113555212 is an abundant number, since it is smaller than the sum of its proper divisors (28170667052276).

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

22254113555212 is a wasteful number, since it uses less digits than its factorization.

22254113555212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63800 (or 63798 counting only the distinct ones).

The product of its digits is 240000, while the sum is 40.

The spelling of 22254113555212 in words is "twenty-two trillion, two hundred fifty-four billion, one hundred thirteen million, five hundred fifty-five thousand, two hundred twelve".