32000022 has 40 divisors (see below), whose sum is σ = 73076256. Its totient is φ = 10462608.

The previous prime is 32000011. The next prime is 32000053. The reversal of 32000022 is 22000023.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 31999968 and 32000013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6723 + ... + 10449.

Almost surely, 2^32000022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32000022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36538128).

32000022 is an abundant number, since it is smaller than the sum of its proper divisors (41076234).

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

32000022 is a wasteful number, since it uses less digits than its factorization.

32000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794 (or 3785 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 32000022 is about 5656.8561940357. The cubic root of 32000022 is about 317.4802831495.

Adding to 32000022 its reverse (22000023), we get a palindrome (54000045).

Subtracting from 32000022 its reverse (22000023), we obtain a palindrome (9999999).

The spelling of 32000022 in words is "thirty-two million, twenty-two", and thus it is an aban number and an uban number.