2201220432 has 60 divisors (see below), whose sum is σ = 6163989780. Its totient is φ = 733307904.

The previous prime is 2201220431. The next prime is 2201220449. The reversal of 2201220432 is 2340221022.

2201220432 is a `hidden beast` number, since 220 + 12 + 2 + 0 + 432 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 510037056 + 1691183376 = 22584^2 + 41124^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201220431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323368 + ... + 330104.

It is an arithmetic number, because the mean of its divisors is an integer number (102733163).

Almost surely, 2^2201220432 is an apocalyptic number.

It is an amenable number.

2201220432 is an abundant number, since it is smaller than the sum of its proper divisors (3962769348).

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

2201220432 is a wasteful number, since it uses less digits than its factorization.

2201220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9020 (or 9011 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2201220432 is about 46917.1656432909. The cubic root of 2201220432 is about 1300.8318998817.

Adding to 2201220432 its reverse (2340221022), we get a palindrome (4541441454).

The spelling of 2201220432 in words is "two billion, two hundred one million, two hundred twenty thousand, four hundred thirty-two".