1222301031000 has 384 divisors, whose sum is σ = 4556122084800. Its totient is φ = 271830988800.

The previous prime is 1222301030987. The next prime is 1222301031031. The reversal of 1222301031000 is 1301032221.

It is a super-2 number, since 2×1222301031000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5326636 + ... + 5551364.

Almost surely, 2^{1222301031000} is an apocalyptic number.

1222301031000 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 1222301031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2278061042400).

1222301031000 is an abundant number, since it is smaller than the sum of its proper divisors (3333821053800).

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

1222301031000 is a wasteful number, since it uses less digits than its factorization.

1222301031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224804 (or 224783 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1222301031000 its reverse (1301032221), we get a palindrome (1223602063221).

The spelling of 1222301031000 in words is "one trillion, two hundred twenty-two billion, three hundred one million, thirty-one thousand".