22242536 has 16 divisors (see below), whose sum is σ = 43143300. Its totient is φ = 10737664.

The previous prime is 22242533. The next prime is 22242553. The reversal of 22242536 is 63524222.

It can be written as a sum of positive squares in 2 ways, for example, as 22146436 + 96100 = 4706^2 + 310^2 .

It is a super-2 number, since 2×22242536² = 989460815422592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47705 + ... + 48168.

Almost surely, 2^22242536 is an apocalyptic number.

It is an amenable number.

22242536 is a deficient number, since it is larger than the sum of its proper divisors (20900764).

22242536 is a wasteful number, since it uses less digits than its factorization.

22242536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95908 (or 95904 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 22242536 is about 4716.1993172469. The cubic root of 22242536 is about 281.2298621960.

Adding to 22242536 its reverse (63524222), we get a palindrome (85766758).

The spelling of 22242536 in words is "twenty-two million, two hundred forty-two thousand, five hundred thirty-six".