1221314400022 has 8 divisors (see below), whose sum is σ = 1832039379072. Its totient is φ = 610634607000.

The previous prime is 1221314400017. The next prime is 1221314400109. The reversal of 1221314400022 is 2200044131221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1221314399966 and 1221314400002.

It is a congruent number.

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, 11228854 + ... + 11337097.

It is an arithmetic number, because the mean of its divisors is an integer number (229004922384).

Almost surely, 2^{1221314400022} is an apocalyptic number.

1221314400022 is a deficient number, since it is larger than the sum of its proper divisors (610724979050).

1221314400022 is a wasteful number, since it uses less digits than its factorization.

1221314400022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22593014.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1221314400022 its reverse (2200044131221), we get a palindrome (3421358531243).

The spelling of 1221314400022 in words is "one trillion, two hundred twenty-one billion, three hundred fourteen million, four hundred thousand, twenty-two".