1221003223322 has 8 divisors (see below), whose sum is σ = 1841623646772. Its totient is φ = 607128674400.

The previous prime is 1221003223313. The next prime is 1221003223411. The reversal of 1221003223322 is 2233223001221.

It can be written as a sum of positive squares in 2 ways, for example, as 1122495751441 + 98507471881 = 1059479^2 + 313859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686468179 + ... + 1686468902.

Almost surely, 2^{1221003223322} is an apocalyptic number.

1221003223322 is a deficient number, since it is larger than the sum of its proper divisors (620620423450).

1221003223322 is a wasteful number, since it uses less digits than its factorization.

1221003223322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372937264.

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

Adding to 1221003223322 its reverse (2233223001221), we get a palindrome (3454226224543).

The spelling of 1221003223322 in words is "one trillion, two hundred twenty-one billion, three million, two hundred twenty-three thousand, three hundred twenty-two".