2212391505 has 64 divisors (see below), whose sum is σ = 3813765120. Its totient is φ = 1092301056.

The previous prime is 2212391497. The next prime is 2212391513. The reversal of 2212391505 is 5051932122.

2212391505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2212391497) and next prime (2212391513).

It is not a de Polignac number, because 2212391505 - 2³ = 2212391497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3356866 + ... + 3357524.

It is an arithmetic number, because the mean of its divisors is an integer number (59590080).

Almost surely, 2^2212391505 is an apocalyptic number.

It is an amenable number.

2212391505 is a deficient number, since it is larger than the sum of its proper divisors (1601373615).

2212391505 is a wasteful number, since it uses less digits than its factorization.

2212391505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2212391505 is about 47036.0660025900. The cubic root of 2212391505 is about 1303.0287379738.

The spelling of 2212391505 in words is "two billion, two hundred twelve million, three hundred ninety-one thousand, five hundred five".