2223100155 has 32 divisors (see below), whose sum is σ = 3652604928. Its totient is φ = 1153913600.

The previous prime is 2223100151. The next prime is 2223100177. The reversal of 2223100155 is 5510013222.

It is not a de Polignac number, because 2223100155 - 2² = 2223100151 is a prime.

It is a super-2 number, since 2×2223100155² = 9884348598322048050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2223100151) 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, 260872 + ... + 269258.

It is an arithmetic number, because the mean of its divisors is an integer number (114143904).

Almost surely, 2^2223100155 is an apocalyptic number.

2223100155 is a deficient number, since it is larger than the sum of its proper divisors (1429504773).

2223100155 is a wasteful number, since it uses less digits than its factorization.

2223100155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8867.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2223100155 is about 47149.7630428828. The cubic root of 2223100155 is about 1305.1277072949.

Adding to 2223100155 its reverse (5510013222), we get a palindrome (7733113377).

It can be divided in two parts, 2223 and 100155, that added together give a triangular number (102378 = T₄₅₂).

The spelling of 2223100155 in words is "two billion, two hundred twenty-three million, one hundred thousand, one hundred fifty-five".