4321221234 has 16 divisors (see below), whose sum is σ = 9428119200. Its totient is φ = 1309460960.

The previous prime is 4321221221. The next prime is 4321221251.

It is a happy number.

4321221234 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32736459 + ... + 32736590.

It is an arithmetic number, because the mean of its divisors is an integer number (589257450).

Almost surely, 2^4321221234 is an apocalyptic number.

4321221234 is an abundant number, since it is smaller than the sum of its proper divisors (5106897966).

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

4321221234 is a wasteful number, since it uses less digits than its factorization.

4321221234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65473065.

The product of its digits is 2304, while the sum is 24.

The square root of 4321221234 is about 65735.9964859437. The cubic root of 4321221234 is about 1628.8040248997.

It can be divided in two parts, 43212 and 21234, that added together give a palindrome (64446).

The spelling of 4321221234 in words is "four billion, three hundred twenty-one million, two hundred twenty-one thousand, two hundred thirty-four".