32224947021 has 12 divisors (see below), whose sum is σ = 46560924540. Its totient is φ = 21476938560.

The previous prime is 32224946983. The next prime is 32224947061. The reversal of 32224947021 is 12074942223.

It is a happy number.

32224947021 is a `hidden beast` number, since 322 + 249 + 4 + 70 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28185708996 + 4039238025 = 167886^2 + 63555^2 .

It is not a de Polignac number, because 32224947021 - 2¹⁹ = 32224422733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32224947061) 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, 497760 + ... + 558761.

It is an arithmetic number, because the mean of its divisors is an integer number (3880077045).

Almost surely, 2^32224947021 is an apocalyptic number.

It is an amenable number.

32224947021 is a deficient number, since it is larger than the sum of its proper divisors (14335977519).

32224947021 is a wasteful number, since it uses less digits than its factorization.

32224947021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059916 (or 1059913 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 32224947021 in words is "thirty-two billion, two hundred twenty-four million, nine hundred forty-seven thousand, twenty-one".