1022222000320 has 56 divisors (see below), whose sum is σ = 2457798898464. Its totient is φ = 404918992896.

The previous prime is 1022222000299. The next prime is 1022222000323. The reversal of 1022222000320 is 230002222201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1022222000294 and 1022222000303.

It is not an unprimeable number, because it can be changed into a prime (1022222000323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15474049 + ... + 15539968.

It is an arithmetic number, because the mean of its divisors is an integer number (43889266044).

Almost surely, 2^{1022222000320} is an apocalyptic number.

1022222000320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022222000320 is an abundant number, since it is smaller than the sum of its proper divisors (1435576898144).

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

1022222000320 is a wasteful number, since it uses less digits than its factorization.

1022222000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31014137 (or 31014127 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 1022222000320 its reverse (230002222201), we get a palindrome (1252224222521).

The spelling of 1022222000320 in words is "one trillion, twenty-two billion, two hundred twenty-two million, three hundred twenty", and thus it is an aban number.