2215923941 has 24 divisors (see below), whose sum is σ = 2811309312. Its totient is φ = 1709532000.

The previous prime is 2215923923. The next prime is 2215923949. The reversal of 2215923941 is 1493295122.

It is a happy number.

It is not a de Polignac number, because 2215923941 - 2¹⁸ = 2215661797 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2215923895 and 2215923904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215923949) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 72596 + ... + 98498.

It is an arithmetic number, because the mean of its divisors is an integer number (117137888).

Almost surely, 2^2215923941 is an apocalyptic number.

It is an amenable number.

2215923941 is a deficient number, since it is larger than the sum of its proper divisors (595385371).

2215923941 is a wasteful number, since it uses less digits than its factorization.

2215923941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26033 (or 26022 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 2215923941 is about 47073.6013175113. The cubic root of 2215923941 is about 1303.7218669622.

The spelling of 2215923941 in words is "two billion, two hundred fifteen million, nine hundred twenty-three thousand, nine hundred forty-one".