2221323021032 has 32 divisors (see below), whose sum is σ = 4346206113600. Its totient is φ = 1062337820544.

The previous prime is 2221323021007. The next prime is 2221323021053. The reversal of 2221323021032 is 2301203231222.

It is a super-2 number, since 2×2221323021032² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2221323020989 and 2221323021007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6119519 + ... + 6472337.

It is an arithmetic number, because the mean of its divisors is an integer number (135818941050).

Almost surely, 2^{2221323021032} is an apocalyptic number.

It is an amenable number.

2221323021032 is a deficient number, since it is larger than the sum of its proper divisors (2124883092568).

2221323021032 is a wasteful number, since it uses less digits than its factorization.

2221323021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387065 (or 387061 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2221323021032 its reverse (2301203231222), we get a palindrome (4522526252254).

The spelling of 2221323021032 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-three million, twenty-one thousand, thirty-two".