2215454876 has 12 divisors (see below), whose sum is σ = 3883839960. Its totient is φ = 1105786320.

The previous prime is 2215454873. The next prime is 2215454887. The reversal of 2215454876 is 6784545122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215454873) 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 3 ways as a sum of consecutive naturals, for example, 482711 + ... + 487278.

It is an arithmetic number, because the mean of its divisors is an integer number (323653330).

Almost surely, 2^2215454876 is an apocalyptic number.

It is an amenable number.

2215454876 is a deficient number, since it is larger than the sum of its proper divisors (1668385084).

2215454876 is a wasteful number, since it uses less digits than its factorization.

2215454876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970564 (or 970562 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 2215454876 is about 47068.6188027650. The cubic root of 2215454876 is about 1303.6298702047.

Adding to 2215454876 its reverse (6784545122), we get a palindrome (8999999998).

The spelling of 2215454876 in words is "two billion, two hundred fifteen million, four hundred fifty-four thousand, eight hundred seventy-six".