22423050 has 72 divisors (see below), whose sum is σ = 64894284. Its totient is φ = 5518080.

The previous prime is 22423043. The next prime is 22423057. The reversal of 22423050 is 5032422.

It is an interprime number because it is at equal distance from previous prime (22423043) and next prime (22423057).

It can be written as a sum of positive squares in 6 ways, for example, as 1929321 + 20493729 = 1389^2 + 4527^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22423057) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3934 + ... + 7766.

Almost surely, 2^22423050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22423050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32447142).

22423050 is an abundant number, since it is smaller than the sum of its proper divisors (42471234).

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

22423050 is a wasteful number, since it uses less digits than its factorization.

22423050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864 (or 3856 counting only the distinct ones).

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

The square root of 22423050 is about 4735.2983010577. The cubic root of 22423050 is about 281.9886067526.

Adding to 22423050 its reverse (5032422), we get a palindrome (27455472).

The spelling of 22423050 in words is "twenty-two million, four hundred twenty-three thousand, fifty".