3155540223 has 32 divisors (see below), whose sum is σ = 4814733312. Its totient is φ = 1819637600.

The previous prime is 3155540207. The next prime is 3155540249. The reversal of 3155540223 is 3220455513.

It is not a de Polignac number, because 3155540223 - 2⁴ = 3155540207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155540263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134086 + ... + 155852.

It is an arithmetic number, because the mean of its divisors is an integer number (150460416).

Almost surely, 2^3155540223 is an apocalyptic number.

3155540223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3155540223 is a deficient number, since it is larger than the sum of its proper divisors (1659193089).

3155540223 is a wasteful number, since it uses less digits than its factorization.

3155540223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21995.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 3155540223 is about 56174.1953480421. The cubic root of 3155540223 is about 1466.7561126636.

Adding to 3155540223 its reverse (3220455513), we get a palindrome (6375995736).

The spelling of 3155540223 in words is "three billion, one hundred fifty-five million, five hundred forty thousand, two hundred twenty-three".