3155223438 has 24 divisors (see below), whose sum is σ = 6862927968. Its totient is φ = 1047647232.

The previous prime is 3155223419. The next prime is 3155223439. The reversal of 3155223438 is 8343225513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155223439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336406 + ... + 345657.

It is an arithmetic number, because the mean of its divisors is an integer number (285955332).

Almost surely, 2^3155223438 is an apocalyptic number.

3155223438 is an abundant number, since it is smaller than the sum of its proper divisors (3707704530).

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

3155223438 is a wasteful number, since it uses less digits than its factorization.

3155223438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682328 (or 682325 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 3155223438 is about 56171.3756107148. The cubic root of 3155223438 is about 1466.7070284232.

The spelling of 3155223438 in words is "three billion, one hundred fifty-five million, two hundred twenty-three thousand, four hundred thirty-eight".