3155222213 has 16 divisors (see below), whose sum is σ = 3901934400. Its totient is φ = 2508382080.

The previous prime is 3155222209. The next prime is 3155222233. The reversal of 3155222213 is 3122225513.

It is a happy number.

3155222213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3155222213 - 2² = 3155222209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155222233) 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, 577928 + ... + 583361.

It is an arithmetic number, because the mean of its divisors is an integer number (243870900).

Almost surely, 2^3155222213 is an apocalyptic number.

It is an amenable number.

3155222213 is a deficient number, since it is larger than the sum of its proper divisors (746712187).

3155222213 is a wasteful number, since it uses less digits than its factorization.

3155222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161332.

The product of its digits is 3600, while the sum is 26.

The square root of 3155222213 is about 56171.3647065834. The cubic root of 3155222213 is about 1466.7068386093.

Adding to 3155222213 its reverse (3122225513), we get a palindrome (6277447726).

The spelling of 3155222213 in words is "three billion, one hundred fifty-five million, two hundred twenty-two thousand, two hundred thirteen".