1221334334 has 8 divisors (see below), whose sum is σ = 1998547128. Its totient is φ = 555151960.

The previous prime is 1221334321. The next prime is 1221334337. The reversal of 1221334334 is 4334331221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221334337) 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, 27757577 + ... + 27757620.

It is an arithmetic number, because the mean of its divisors is an integer number (249818391).

Almost surely, 2^1221334334 is an apocalyptic number.

1221334334 is a deficient number, since it is larger than the sum of its proper divisors (777212794).

1221334334 is a wasteful number, since it uses less digits than its factorization.

1221334334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55515210.

The product of its digits is 5184, while the sum is 26.

The square root of 1221334334 is about 34947.5941088940. The cubic root of 1221334334 is about 1068.9191443747.

Adding to 1221334334 its reverse (4334331221), we get a palindrome (5555665555).

The spelling of 1221334334 in words is "one billion, two hundred twenty-one million, three hundred thirty-four thousand, three hundred thirty-four".