1022221312330 has 96 divisors (see below), whose sum is σ = 1957246160688. Its totient is φ = 384147456000.

The previous prime is 1022221312313. The next prime is 1022221312381. The reversal of 1022221312330 is 332131222201.

It can be written as a sum of positive squares in 24 ways, for example, as 29769016369 + 992452295961 = 172537^2 + 996219^2 .

It is a super-2 number, since 2×1022221312330² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138265114 + ... + 138272506.

Almost surely, 2^{1022221312330} is an apocalyptic number.

1022221312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022221312330 is a deficient number, since it is larger than the sum of its proper divisors (935024848358).

1022221312330 is a wasteful number, since it uses less digits than its factorization.

1022221312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900 (or 7871 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1022221312330 its reverse (332131222201), we get a palindrome (1354352534531).

The spelling of 1022221312330 in words is "one trillion, twenty-two billion, two hundred twenty-one million, three hundred twelve thousand, three hundred thirty".