2205015155 has 32 divisors (see below), whose sum is σ = 3065596800. Its totient is φ = 1491333120.

The previous prime is 2205015143. The next prime is 2205015179. The reversal of 2205015155 is 5515105022.

It is not a de Polignac number, because 2205015155 - 2¹⁰ = 2205014131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1183925 + ... + 1185785.

It is an arithmetic number, because the mean of its divisors is an integer number (95799900).

Almost surely, 2^2205015155 is an apocalyptic number.

2205015155 is a deficient number, since it is larger than the sum of its proper divisors (860581645).

2205015155 is a wasteful number, since it uses less digits than its factorization.

2205015155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 2205015155 is about 46957.5888967907. The cubic root of 2205015155 is about 1301.5789798170.

The spelling of 2205015155 in words is "two billion, two hundred five million, fifteen thousand, one hundred fifty-five".