23442198 has 64 divisors (see below), whose sum is σ = 53706240. Its totient is φ = 6766848.

The previous prime is 23442197. The next prime is 23442203. The reversal of 23442198 is 89124432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130873 + ... + 131051.

It is an arithmetic number, because the mean of its divisors is an integer number (839160).

Almost surely, 2^23442198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23442198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26853120).

23442198 is an abundant number, since it is smaller than the sum of its proper divisors (30264042).

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

23442198 is a wasteful number, since it uses less digits than its factorization.

23442198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its digits is 13824, while the sum is 33.

The square root of 23442198 is about 4841.7143658006. The cubic root of 23442198 is about 286.1976806676.

The spelling of 23442198 in words is "twenty-three million, four hundred forty-two thousand, one hundred ninety-eight".