1022000022220 has 12 divisors (see below), whose sum is σ = 2146200046704. Its totient is φ = 408800008880.

The previous prime is 1022000022203. The next prime is 1022000022227. The reversal of 1022000022220 is 222200002201.

1022000022220 is a modest number, since divided by 22220 gives 10220 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1022000022220.

It is not an unprimeable number, because it can be changed into a prime (1022000022227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25550000536 + ... + 25550000575.

It is an arithmetic number, because the mean of its divisors is an integer number (178850003892).

Almost surely, 2^{1022000022220} is an apocalyptic number.

1022000022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022000022220 is an abundant number, since it is smaller than the sum of its proper divisors (1124200024484).

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

1022000022220 is a wasteful number, since it uses less digits than its factorization.

1022000022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51100001120 (or 51100001118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1022000022220 its reverse (222200002201), we get a palindrome (1244200024421).

The spelling of 1022000022220 in words is "one trillion, twenty-two billion, twenty-two thousand, two hundred twenty".