22524122 has 4 divisors (see below), whose sum is σ = 33786186. Its totient is φ = 11262060.

The previous prime is 22524121. The next prime is 22524137. The reversal of 22524122 is 22142522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22142522 = 2 ⋅11071261.

It can be written as a sum of positive squares in only one way, i.e., 20241001 + 2283121 = 4499^2 + 1511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22524094 and 22524103.

It is not an unprimeable number, because it can be changed into a prime (22524121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5631029 + ... + 5631032.

Almost surely, 2^22524122 is an apocalyptic number.

22524122 is a deficient number, since it is larger than the sum of its proper divisors (11262064).

22524122 is a wasteful number, since it uses less digits than its factorization.

22524122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262063.

The product of its digits is 640, while the sum is 20.

The square root of 22524122 is about 4745.9584911796. The cubic root of 22524122 is about 282.4116600594.

Adding to 22524122 its reverse (22142522), we get a palindrome (44666644).

The spelling of 22524122 in words is "twenty-two million, five hundred twenty-four thousand, one hundred twenty-two".