3155922 has 120 divisors (see below), whose sum is σ = 9269568. Its totient is φ = 784080.

The previous prime is 3155839. The next prime is 3155923. The reversal of 3155922 is 2295513.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3155923) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 137203 + ... + 137225.

Almost surely, 2^3155922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3155922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4634784).

3155922 is an abundant number, since it is smaller than the sum of its proper divisors (6113646).

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

3155922 is a wasteful number, since it uses less digits than its factorization.

3155922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 46 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 3155922 is about 1776.4914860477. The cubic root of 3155922 is about 146.6815262722.

3155922 divided by its sum of digits (27) gives a triangular number (116886 = T₄₈₃).

The spelling of 3155922 in words is "three million, one hundred fifty-five thousand, nine hundred twenty-two".