2215042403 has 12 divisors (see below), whose sum is σ = 2578591080. Its totient is φ = 1897201152.

The previous prime is 2215042399. The next prime is 2215042463. The reversal of 2215042403 is 3042405122.

It is a happy number.

It is not a de Polignac number, because 2215042403 - 2² = 2215042399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215042463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53000 + ... + 85082.

It is an arithmetic number, because the mean of its divisors is an integer number (214882590).

Almost surely, 2^2215042403 is an apocalyptic number.

2215042403 is a deficient number, since it is larger than the sum of its proper divisors (363548677).

2215042403 is a wasteful number, since it uses less digits than its factorization.

2215042403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33506 (or 33499 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2215042403 is about 47064.2369852099. The cubic root of 2215042403 is about 1303.5489619899.

Adding to 2215042403 its reverse (3042405122), we get a palindrome (5257447525).

The spelling of 2215042403 in words is "two billion, two hundred fifteen million, forty-two thousand, four hundred three".