2213451432 has 24 divisors (see below), whose sum is σ = 5994764490. Its totient is φ = 737817120.

The previous prime is 2213451431. The next prime is 2213451433. The reversal of 2213451432 is 2341543122.

2213451432 is a `hidden beast` number, since 221 + 3 + 4 + 5 + 1 + 432 = 666.

2213451432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2213451431) and next prime (2213451433).

It can be written as a sum of positive squares in only one way, i.e., 2213326116 + 125316 = 47046^2 + 354^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 2213451396 and 2213451405.

It is not an unprimeable number, because it can be changed into a prime (2213451431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15371119 + ... + 15371262.

Almost surely, 2^2213451432 is an apocalyptic number.

It is an amenable number.

2213451432 is an abundant number, since it is smaller than the sum of its proper divisors (3781313058).

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

2213451432 is a wasteful number, since it uses less digits than its factorization.

2213451432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30742393 (or 30742386 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2213451432 is about 47047.3318265765. The cubic root of 2213451432 is about 1303.2367925969.

Adding to 2213451432 its reverse (2341543122), we get a palindrome (4554994554).

The spelling of 2213451432 in words is "two billion, two hundred thirteen million, four hundred fifty-one thousand, four hundred thirty-two".