32232022421 has 8 divisors (see below), whose sum is σ = 33366847800. Its totient is φ = 31098755520.

The previous prime is 32232022409. The next prime is 32232022507. The reversal of 32232022421 is 12422023223.

It can be written as a sum of positive squares in 4 ways, for example, as 196392196 + 32035630225 = 14014^2 + 178985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-32232022421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32232042421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347450 + ... + 430331.

It is an arithmetic number, because the mean of its divisors is an integer number (4170855975).

Almost surely, 2^32232022421 is an apocalyptic number.

It is an amenable number.

32232022421 is a deficient number, since it is larger than the sum of its proper divisors (1134825379).

32232022421 is a wasteful number, since it uses less digits than its factorization.

32232022421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779239.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 32232022421 its reverse (12422023223), we get a palindrome (44654045644).

The spelling of 32232022421 in words is "thirty-two billion, two hundred thirty-two million, twenty-two thousand, four hundred twenty-one".