2221023220132 has 18 divisors (see below), whose sum is σ = 3983902608434. Its totient is φ = 1083425957760.

The previous prime is 2221023220093. The next prime is 2221023220147. The reversal of 2221023220132 is 2310223201222.

It can be written as a sum of positive squares in 3 ways, for example, as 327030721956 + 1893992498176 = 571866^2 + 1376224^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165149673 + ... + 165163120.

Almost surely, 2^{2221023220132} is an apocalyptic number.

It is an amenable number.

2221023220132 is a deficient number, since it is larger than the sum of its proper divisors (1762879388302).

2221023220132 is a wasteful number, since it uses less digits than its factorization.

2221023220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330312879 (or 330312836 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2221023220132 its reverse (2310223201222), we get a palindrome (4531246421354).

The spelling of 2221023220132 in words is "two trillion, two hundred twenty-one billion, twenty-three million, two hundred twenty thousand, one hundred thirty-two".