1220324214404 has 6 divisors (see below), whose sum is σ = 2135567375214. Its totient is φ = 610162107200.

The previous prime is 1220324214401. The next prime is 1220324214407. The reversal of 1220324214404 is 4044124230221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1220324214401) and next prime (1220324214407).

It can be written as a sum of positive squares in only one way, i.e., 913939824004 + 306384390400 = 956002^2 + 553520^2 .

It is a super-2 number, since 2×1220324214404² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220324214401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152540526797 + ... + 152540526804.

It is an arithmetic number, because the mean of its divisors is an integer number (355927895869).

Almost surely, 2^{1220324214404} is an apocalyptic number.

It is an amenable number.

1220324214404 is a deficient number, since it is larger than the sum of its proper divisors (915243160810).

1220324214404 is a wasteful number, since it uses less digits than its factorization.

1220324214404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305081053605 (or 305081053603 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1220324214404 its reverse (4044124230221), we get a palindrome (5264448444625).

The spelling of 1220324214404 in words is "one trillion, two hundred twenty billion, three hundred twenty-four million, two hundred fourteen thousand, four hundred four".