15222255052000 has 192 divisors, whose sum is σ = 38061684670464. Its totient is φ = 5982287270400.

The previous prime is 15222255051977. The next prime is 15222255052003. The reversal of 15222255052000 is 25055222251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15222255052003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52178539 + ... + 52469461.

It is an arithmetic number, because the mean of its divisors is an integer number (198237940992).

Almost surely, 2^{15222255052000} is an apocalyptic number.

15222255052000 is a gapful number since it is divisible by the number (10) 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 15222255052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19030842335232).

15222255052000 is an abundant number, since it is smaller than the sum of its proper divisors (22839429618464).

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

15222255052000 is a wasteful number, since it uses less digits than its factorization.

15222255052000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291178 (or 291160 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 15222255052000 in words is "fifteen trillion, two hundred twenty-two billion, two hundred fifty-five million, fifty-two thousand".