1214221233 has 12 divisors (see below), whose sum is σ = 1626849744. Its totient is φ = 805555800.

The previous prime is 1214221223. The next prime is 1214221241. The reversal of 1214221233 is 3321224121.

1214221233 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1214221233 - 2²⁸ = 945785777 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 129018 + ... + 138108.

It is an arithmetic number, because the mean of its divisors is an integer number (135570812).

Almost surely, 2^1214221233 is an apocalyptic number.

It is an amenable number.

1214221233 is a deficient number, since it is larger than the sum of its proper divisors (412628511).

1214221233 is an frugal number, since it uses more digits than its factorization.

1214221233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9516 (or 9305 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1214221233 is about 34845.6773933296. The cubic root of 1214221233 is about 1066.8399598114.

Adding to 1214221233 its reverse (3321224121), we get a palindrome (4535445354).

The spelling of 1214221233 in words is "one billion, two hundred fourteen million, two hundred twenty-one thousand, two hundred thirty-three".