32212422 has 48 divisors (see below), whose sum is σ = 78214032. Its totient is φ = 9495360.

The previous prime is 32212421. The next prime is 32212471. The reversal of 32212422 is 22421223.

32212422 is a `hidden beast` number, since 32 + 212 + 422 = 666.

It is a super-2 number, since 2×32212422² = 2075280262212168, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 32212395 and 32212404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32212421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5128 + ... + 9524.

It is an arithmetic number, because the mean of its divisors is an integer number (1629459).

Almost surely, 2^32212422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32212422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39107016).

32212422 is an abundant number, since it is smaller than the sum of its proper divisors (46001610).

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

32212422 is a wasteful number, since it uses less digits than its factorization.

32212422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453 (or 4450 counting only the distinct ones).

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

The square root of 32212422 is about 5675.5988230318. The cubic root of 32212422 is about 318.1811593852.

Adding to 32212422 its reverse (22421223), we get a palindrome (54633645).

The spelling of 32212422 in words is "thirty-two million, two hundred twelve thousand, four hundred twenty-two".