23281122 has 16 divisors (see below), whose sum is σ = 46609920. Its totient is φ = 7752432.

The previous prime is 23281117. The next prime is 23281123. The reversal of 23281122 is 22118232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23281123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9279 + ... + 11517.

It is an arithmetic number, because the mean of its divisors is an integer number (2913120).

Almost surely, 2^23281122 is an apocalyptic number.

23281122 is an abundant number, since it is smaller than the sum of its proper divisors (23328798).

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

23281122 is a wasteful number, since it uses less digits than its factorization.

23281122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977.

The product of its digits is 384, while the sum is 21.

The square root of 23281122 is about 4825.0515023158. The cubic root of 23281122 is about 285.5406664948.

Adding to 23281122 its reverse (22118232), we get a palindrome (45399354).

The spelling of 23281122 in words is "twenty-three million, two hundred eighty-one thousand, one hundred twenty-two".