1221332334 has 32 divisors (see below), whose sum is σ = 2517866016. Its totient is φ = 394657920.

The previous prime is 1221332263. The next prime is 1221332339. The reversal of 1221332334 is 4332331221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221332339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51564 + ... + 71424.

It is an arithmetic number, because the mean of its divisors is an integer number (78683313).

Almost surely, 2^1221332334 is an apocalyptic number.

1221332334 is an abundant number, since it is smaller than the sum of its proper divisors (1296533682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1221332334 is a wasteful number, since it uses less digits than its factorization.

1221332334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20180.

The product of its digits is 2592, while the sum is 24.

The square root of 1221332334 is about 34947.5654946092. The cubic root of 1221332334 is about 1068.9185609037.

Adding to 1221332334 its reverse (4332331221), we get a palindrome (5553663555).

The spelling of 1221332334 in words is "one billion, two hundred twenty-one million, three hundred thirty-two thousand, three hundred thirty-four".