1214222321 has 8 divisors (see below), whose sum is σ = 1308499584. Its totient is φ = 1120070160.

The previous prime is 1214222309. The next prime is 1214222329. The reversal of 1214222321 is 1232224121.

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

It is a cyclic number.

It is not a de Polignac number, because 1214222321 - 2¹⁰ = 1214221297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214222293 and 1214222302.

It is not an unprimeable number, because it can be changed into a prime (1214222329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10601 + ... + 50406.

It is an arithmetic number, because the mean of its divisors is an integer number (163562448).

Almost surely, 2^1214222321 is an apocalyptic number.

It is an amenable number.

1214222321 is a deficient number, since it is larger than the sum of its proper divisors (94277263).

1214222321 is a wasteful number, since it uses less digits than its factorization.

1214222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62551.

The product of its digits is 384, while the sum is 20.

The square root of 1214222321 is about 34845.6930050186. The cubic root of 1214222321 is about 1066.8402784578.

Adding to 1214222321 its reverse (1232224121), we get a palindrome (2446446442).

The spelling of 1214222321 in words is "one billion, two hundred fourteen million, two hundred twenty-two thousand, three hundred twenty-one".