2216523432 has 64 divisors (see below), whose sum is σ = 6086592000. Its totient is φ = 669518784.

The previous prime is 2216523367. The next prime is 2216523433. The reversal of 2216523432 is 2343256122.

It is a super-2 number, since 2×2216523432² = 9825952249210117248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2216523432.

It is not an unprimeable number, because it can be changed into a prime (2216523433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95182 + ... + 116157.

It is an arithmetic number, because the mean of its divisors is an integer number (95103000).

Almost surely, 2^2216523432 is an apocalyptic number.

It is an amenable number.

2216523432 is an abundant number, since it is smaller than the sum of its proper divisors (3870068568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2216523432 is a wasteful number, since it uses less digits than its factorization.

2216523432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211390 (or 211386 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 2216523432 is about 47079.9684791738. The cubic root of 2216523432 is about 1303.8394250066.

Adding to 2216523432 its reverse (2343256122), we get a palindrome (4559779554).

The spelling of 2216523432 in words is "two billion, two hundred sixteen million, five hundred twenty-three thousand, four hundred thirty-two".