2216502497 has 4 divisors (see below), whose sum is σ = 2418002736. Its totient is φ = 2015002260.

The previous prime is 2216502493. The next prime is 2216502499. The reversal of 2216502497 is 7942056122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2216502497 - 2² = 2216502493 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 2216502497.

It is not an unprimeable number, because it can be changed into a prime (2216502493) 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, 100750103 + ... + 100750124.

It is an arithmetic number, because the mean of its divisors is an integer number (604500684).

Almost surely, 2^2216502497 is an apocalyptic number.

It is an amenable number.

2216502497 is a deficient number, since it is larger than the sum of its proper divisors (201500239).

2216502497 is a wasteful number, since it uses less digits than its factorization.

2216502497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201500238.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 2216502497 is about 47079.7461441754. The cubic root of 2216502497 is about 1303.8353200850.

The spelling of 2216502497 in words is "two billion, two hundred sixteen million, five hundred two thousand, four hundred ninety-seven".