22891152 has 40 divisors (see below), whose sum is σ = 59701536. Its totient is φ = 7557376.

The previous prime is 22891117. The next prime is 22891157. The reversal of 22891152 is 25119822.

It is not an unprimeable number, because it can be changed into a prime (22891157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908 + ... + 7364.

Almost surely, 2^22891152 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 22891152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29850768).

22891152 is an abundant number, since it is smaller than the sum of its proper divisors (36810384).

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

22891152 is a wasteful number, since it uses less digits than its factorization.

22891152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575 (or 4569 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 22891152 is about 4784.4698765903. The cubic root of 22891152 is about 283.9373663372.

The spelling of 22891152 in words is "twenty-two million, eight hundred ninety-one thousand, one hundred fifty-two".