3221400342 has 32 divisors (see below), whose sum is σ = 6485605632. Its totient is φ = 1066683744.

The previous prime is 3221400337. The next prime is 3221400349. The reversal of 3221400342 is 2430041223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221400349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928503 + ... + 931965.

It is an arithmetic number, because the mean of its divisors is an integer number (202675176).

Almost surely, 2^3221400342 is an apocalyptic number.

3221400342 is an abundant number, since it is smaller than the sum of its proper divisors (3264205290).

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

3221400342 is a wasteful number, since it uses less digits than its factorization.

3221400342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3221400342 is about 56757.3813877984. The cubic root of 3221400342 is about 1476.8902842399.

Adding to 3221400342 its reverse (2430041223), we get a palindrome (5651441565).

The spelling of 3221400342 in words is "three billion, two hundred twenty-one million, four hundred thousand, three hundred forty-two".