2215964341 has 4 divisors (see below), whose sum is σ = 2237904684. Its totient is φ = 2194024000.

The previous prime is 2215964251. The next prime is 2215964347. The reversal of 2215964341 is 1434695122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1037484100 + 1178480241 = 32210^2 + 34329^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215964341 - 2⁷ = 2215964213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2215964341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215964347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10970020 + ... + 10970221.

It is an arithmetic number, because the mean of its divisors is an integer number (559476171).

Almost surely, 2^2215964341 is an apocalyptic number.

It is an amenable number.

2215964341 is a deficient number, since it is larger than the sum of its proper divisors (21940343).

2215964341 is a wasteful number, since it uses less digits than its factorization.

2215964341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21940342.

The product of its digits is 51840, while the sum is 37.

The square root of 2215964341 is about 47074.0304308012. The cubic root of 2215964341 is about 1303.7297899241.

The spelling of 2215964341 in words is "two billion, two hundred fifteen million, nine hundred sixty-four thousand, three hundred forty-one".