1222554455000 has 80 divisors (see below), whose sum is σ = 2865222272880. Its totient is φ = 488889104000.

The previous prime is 1222554454967. The next prime is 1222554455009. The reversal of 1222554455000 is 5544552221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222554455009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19553789 + ... + 19616211.

It is an arithmetic number, because the mean of its divisors is an integer number (35815278411).

Almost surely, 2^{1222554455000} is an apocalyptic number.

1222554455000 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 1222554455000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432611136440).

1222554455000 is an abundant number, since it is smaller than the sum of its proper divisors (1642667817880).

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

1222554455000 is an equidigital number, since it uses as much as digits as its factorization.

1222554455000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66366 (or 66347 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 1222554455000 in words is "one trillion, two hundred twenty-two billion, five hundred fifty-four million, four hundred fifty-five thousand".