22189552 has 120 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 8265600.

The previous prime is 22189547. The next prime is 22189571. The reversal of 22189552 is 25598122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267303 + ... + 267385.

Almost surely, 2^22189552 is an apocalyptic number.

22189552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22189552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28498176).

22189552 is an abundant number, since it is smaller than the sum of its proper divisors (34806800).

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

22189552 is a wasteful number, since it uses less digits than its factorization.

22189552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 134 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 22189552 is about 4710.5787330221. The cubic root of 22189552 is about 281.0063785316.

The spelling of 22189552 in words is "twenty-two million, one hundred eighty-nine thousand, five hundred fifty-two".