1214221349 has 4 divisors (see below), whose sum is σ = 1324605120. Its totient is φ = 1103837580.

The previous prime is 1214221343. The next prime is 1214221363. The reversal of 1214221349 is 9431224121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1214221349 - 2²⁰ = 1213172773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214221343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55191869 + ... + 55191890.

It is an arithmetic number, because the mean of its divisors is an integer number (331151280).

Almost surely, 2^1214221349 is an apocalyptic number.

It is an amenable number.

1214221349 is a deficient number, since it is larger than the sum of its proper divisors (110383771).

1214221349 is a wasteful number, since it uses less digits than its factorization.

1214221349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110383770.

The product of its digits is 3456, while the sum is 29.

The square root of 1214221349 is about 34845.6790578115. The cubic root of 1214221349 is about 1066.8399937848.

The spelling of 1214221349 in words is "one billion, two hundred fourteen million, two hundred twenty-one thousand, three hundred forty-nine".