1214221222 has 8 divisors (see below), whose sum is σ = 1824523272. Its totient is φ = 606046800.

The previous prime is 1214221199. The next prime is 1214221223. The reversal of 1214221222 is 2221224121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1214221222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214221223) 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, 530479 + ... + 532762.

It is an arithmetic number, because the mean of its divisors is an integer number (228065409).

Almost surely, 2^1214221222 is an apocalyptic number.

1214221222 is a deficient number, since it is larger than the sum of its proper divisors (610302050).

1214221222 is a wasteful number, since it uses less digits than its factorization.

1214221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063814.

The product of its digits is 256, while the sum is 19.

The square root of 1214221222 is about 34845.6772354908. The cubic root of 1214221222 is about 1066.8399565898.

Adding to 1214221222 its reverse (2221224121), we get a palindrome (3435445343).

The spelling of 1214221222 in words is "one billion, two hundred fourteen million, two hundred twenty-one thousand, two hundred twenty-two".