2215023155 has 16 divisors (see below), whose sum is σ = 2767510368. Its totient is φ = 1700448000.

The previous prime is 2215023133. The next prime is 2215023169. The reversal of 2215023155 is 5513205122.

It is not a de Polignac number, because 2215023155 - 2¹⁴ = 2215006771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76061 + ... + 101070.

It is an arithmetic number, because the mean of its divisors is an integer number (172969398).

Almost surely, 2^2215023155 is an apocalyptic number.

2215023155 is a deficient number, since it is larger than the sum of its proper divisors (552487213).

2215023155 is a wasteful number, since it uses less digits than its factorization.

2215023155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177238.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2215023155 is about 47064.0324982890. The cubic root of 2215023155 is about 1303.5451861731.

Adding to 2215023155 its reverse (5513205122), we get a palindrome (7728228277).

The spelling of 2215023155 in words is "two billion, two hundred fifteen million, twenty-three thousand, one hundred fifty-five".