2216523448 has 16 divisors (see below), whose sum is σ = 4160224080. Its totient is φ = 1107130368.

The previous prime is 2216523433. The next prime is 2216523457. The reversal of 2216523448 is 8443256122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133065 + ... + 148792.

It is an arithmetic number, because the mean of its divisors is an integer number (260014005).

Almost surely, 2^2216523448 is an apocalyptic number.

It is an amenable number.

2216523448 is a deficient number, since it is larger than the sum of its proper divisors (1943700632).

2216523448 is a wasteful number, since it uses less digits than its factorization.

2216523448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282846 (or 282842 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 2216523448 is about 47079.9686490975. The cubic root of 2216523448 is about 1303.8394281438.

It can be divided in two parts, 22165 and 23448, that multiplied together give a triangular number (519724920 = T₃₂₂₄₀).

The spelling of 2216523448 in words is "two billion, two hundred sixteen million, five hundred twenty-three thousand, four hundred forty-eight".