3221907942 has 32 divisors (see below), whose sum is σ = 7335256320. Its totient is φ = 933885920.

The previous prime is 3221907937. The next prime is 3221907947. The reversal of 3221907942 is 2497091223.

It is an interprime number because it is at equal distance from previous prime (3221907937) and next prime (3221907947).

It is a self number, because there is not a number n which added to its sum of digits gives 3221907942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221907947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059717 + ... + 1062752.

It is an arithmetic number, because the mean of its divisors is an integer number (229226760).

Almost surely, 2^3221907942 is an apocalyptic number.

3221907942 is an abundant number, since it is smaller than the sum of its proper divisors (4113348378).

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

3221907942 is a wasteful number, since it uses less digits than its factorization.

3221907942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122508.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 3221907942 is about 56761.8528767340. The cubic root of 3221907942 is about 1476.9678519700.

The spelling of 3221907942 in words is "three billion, two hundred twenty-one million, nine hundred seven thousand, nine hundred forty-two".