23022450 has 72 divisors (see below), whose sum is σ = 67491216. Its totient is φ = 5580000.

The previous prime is 23022413. The next prime is 23022463. The reversal of 23022450 is 5422032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2625 + ... + 7275.

It is an arithmetic number, because the mean of its divisors is an integer number (937378).

Almost surely, 2^23022450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23022450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33745608).

23022450 is an abundant number, since it is smaller than the sum of its proper divisors (44468766).

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

23022450 is a wasteful number, since it uses less digits than its factorization.

23022450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680 (or 4672 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23022450 is about 4798.1715267381. The cubic root of 23022450 is about 284.4791966116.

Adding to 23022450 its reverse (5422032), we get a palindrome (28444482).

The spelling of 23022450 in words is "twenty-three million, twenty-two thousand, four hundred fifty".