3155221434 has 16 divisors (see below), whose sum is σ = 6642571680. Its totient is φ = 996385680.

The previous prime is 3155221423. The next prime is 3155221501. The reversal of 3155221434 is 4341225513.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13838577 + ... + 13838804.

It is an arithmetic number, because the mean of its divisors is an integer number (415160730).

Almost surely, 2^3155221434 is an apocalyptic number.

3155221434 is an abundant number, since it is smaller than the sum of its proper divisors (3487350246).

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

3155221434 is a wasteful number, since it uses less digits than its factorization.

3155221434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27677405.

The product of its digits is 14400, while the sum is 30.

The square root of 3155221434 is about 56171.3577724448. The cubic root of 3155221434 is about 1466.7067179031.

Adding to 3155221434 its reverse (4341225513), we get a palindrome (7496446947).

The spelling of 3155221434 in words is "three billion, one hundred fifty-five million, two hundred twenty-one thousand, four hundred thirty-four".