22522434 has 32 divisors (see below), whose sum is σ = 49545216. Its totient is φ = 6768720.

The previous prime is 22522427. The next prime is 22522439. The reversal of 22522434 is 43422522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22522439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7039 + ... + 9725.

It is an arithmetic number, because the mean of its divisors is an integer number (1548288).

Almost surely, 2^22522434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22522434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24772608).

22522434 is an abundant number, since it is smaller than the sum of its proper divisors (27022782).

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

22522434 is a wasteful number, since it uses less digits than its factorization.

22522434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830.

The product of its digits is 3840, while the sum is 24.

The square root of 22522434 is about 4745.7806523269. The cubic root of 22522434 is about 282.4046050631.

Adding to 22522434 its reverse (43422522), we get a palindrome (65944956).

The spelling of 22522434 in words is "twenty-two million, five hundred twenty-two thousand, four hundred thirty-four".