1322223000040 has 64 divisors (see below), whose sum is σ = 3073210191360. Its totient is φ = 511454818560.

The previous prime is 1322223000023. The next prime is 1322223000041. The reversal of 1322223000040 is 400003222231.

It is a junction number, because it is equal to n+sod(n) for n = 1322222999981 and 1322223000017.

It is not an unprimeable number, because it can be changed into a prime (1322223000041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314207 + ... + 2090833.

It is an arithmetic number, because the mean of its divisors is an integer number (48018909240).

Almost surely, 2^{1322223000040} is an apocalyptic number.

1322223000040 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 1322223000040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536605095680).

1322223000040 is an abundant number, since it is smaller than the sum of its proper divisors (1750987191320).

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

1322223000040 is a wasteful number, since it uses less digits than its factorization.

1322223000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778042 (or 778038 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 1322223000040 its reverse (400003222231), we get a palindrome (1722226222271).

The spelling of 1322223000040 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-three million, forty", and thus it is an aban number.