2012223155 has 8 divisors (see below), whose sum is σ = 2428009584. Its totient is φ = 1600884000.

The previous prime is 2012223137. The next prime is 2012223209. The reversal of 2012223155 is 5513222102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012223155 - 2⁶ = 2012223091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012223155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110821 + ... + 1112630.

It is an arithmetic number, because the mean of its divisors is an integer number (303501198).

Almost surely, 2^2012223155 is an apocalyptic number.

2012223155 is a deficient number, since it is larger than the sum of its proper divisors (415786429).

2012223155 is a wasteful number, since it uses less digits than its factorization.

2012223155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223637.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2012223155 is about 44857.8104124577. The cubic root of 2012223155 is about 1262.4825404245.

Adding to 2012223155 its reverse (5513222102), we get a palindrome (7525445257).

The spelling of 2012223155 in words is "two billion, twelve million, two hundred twenty-three thousand, one hundred fifty-five".