1022220331320 has 64 divisors (see below), whose sum is σ = 3081195008640. Its totient is φ = 271300176000.

The previous prime is 1022220331309. The next prime is 1022220331333. The reversal of 1022220331320 is 231330222201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20160706 + ... + 20211345.

It is an arithmetic number, because the mean of its divisors is an integer number (48143672010).

Almost surely, 2^{1022220331320} is an apocalyptic number.

1022220331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022220331320 is an abundant number, since it is smaller than the sum of its proper divisors (2058974677320).

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

1022220331320 is a wasteful number, since it uses less digits than its factorization.

1022220331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40372276 (or 40372272 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1022220331320 its reverse (231330222201), we get a palindrome (1253550553521).

The spelling of 1022220331320 in words is "one trillion, twenty-two billion, two hundred twenty million, three hundred thirty-one thousand, three hundred twenty".