1022400222320 has 80 divisors (see below), whose sum is σ = 2459283176160. Its totient is φ = 394820385792.

The previous prime is 1022400222313. The next prime is 1022400222329. The reversal of 1022400222320 is 232220042201.

1022400222320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1022400222292 and 1022400222301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022400222329) 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, 47416982 + ... + 47438538.

It is an arithmetic number, because the mean of its divisors is an integer number (30741039702).

Almost surely, 2^{1022400222320} is an apocalyptic number.

1022400222320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022400222320 is an abundant number, since it is smaller than the sum of its proper divisors (1436882953840).

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

1022400222320 is a wasteful number, since it uses less digits than its factorization.

1022400222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42042 (or 42036 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 1022400222320 its reverse (232220042201), we get a palindrome (1254620264521).

The spelling of 1022400222320 in words is "one trillion, twenty-two billion, four hundred million, two hundred twenty-two thousand, three hundred twenty".