1822666475700 has 648 divisors, whose sum is σ = 6746660811072. Its totient is φ = 403165071360.

The previous prime is 1822666475599. The next prime is 1822666475701. The reversal of 1822666475700 is 75746662281.

It is a happy number.

It is a super-2 number, since 2×1822666475700² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822666475701) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 2009554647 + ... + 2009555553.

Almost surely, 2^{1822666475700} is an apocalyptic number.

1822666475700 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 1822666475700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3373330405536).

1822666475700 is an abundant number, since it is smaller than the sum of its proper divisors (4923994335372).

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

1822666475700 is a wasteful number, since it uses less digits than its factorization.

1822666475700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 1822666475700 in words is "one trillion, eight hundred twenty-two billion, six hundred sixty-six million, four hundred seventy-five thousand, seven hundred".