3155430222 has 32 divisors (see below), whose sum is σ = 8013792000. Its totient is φ = 901551384.

The previous prime is 3155430221. The next prime is 3155430247. The reversal of 3155430222 is 2220345513.

It is a happy number.

3155430222 is a `hidden beast` number, since 3 + 1 + 5 + 5 + 430 + 222 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155430221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4173472 + ... + 4174227.

It is an arithmetic number, because the mean of its divisors is an integer number (250431000).

Almost surely, 2^3155430222 is an apocalyptic number.

3155430222 is an abundant number, since it is smaller than the sum of its proper divisors (4858361778).

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

3155430222 is a wasteful number, since it uses less digits than its factorization.

3155430222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347717 (or 8347711 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3155430222 is about 56173.2162333616. The cubic root of 3155430222 is about 1466.7390689350.

Adding to 3155430222 its reverse (2220345513), we get a palindrome (5375775735).

It can be divided in two parts, 31554 and 30222, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 3155430222 in words is "three billion, one hundred fifty-five million, four hundred thirty thousand, two hundred twenty-two".