22332672 has 108 divisors (see below), whose sum is σ = 66961440. Its totient is φ = 7423488.

The previous prime is 22332647. The next prime is 22332677. The reversal of 22332672 is 27623322.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22332677) 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, 62029 + ... + 62387.

Almost surely, 2^22332672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22332672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33480720).

22332672 is an abundant number, since it is smaller than the sum of its proper divisors (44628768).

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

22332672 is an frugal number, since it uses more digits than its factorization.

22332672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 364 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 22332672 is about 4725.7456554495. The cubic root of 22332672 is about 281.6092369560.

Adding to 22332672 its reverse (27623322), we get a palindrome (49955994).

The spelling of 22332672 in words is "twenty-two million, three hundred thirty-two thousand, six hundred seventy-two".