22124737 has 2 divisors, whose sum is σ = 22124738. Its totient is φ = 22124736.

The previous prime is 22124719. The next prime is 22124743. The reversal of 22124737 is 73742122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16248961 + 5875776 = 4031^2 + 2424^2 .

It is a cyclic number.

It is not a de Polignac number, because 22124737 - 2¹¹ = 22122689 is a prime.

It is not a weakly prime, because it can be changed into another prime (22124717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11062368 + 11062369.

It is an arithmetic number, because the mean of its divisors is an integer number (11062369).

Almost surely, 2^22124737 is an apocalyptic number.

It is an amenable number.

22124737 is a deficient number, since it is larger than the sum of its proper divisors (1).

22124737 is an equidigital number, since it uses as much as digits as its factorization.

22124737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 28.

The square root of 22124737 is about 4703.6939738890. The cubic root of 22124737 is about 280.7325080350.

Adding to 22124737 its reverse (73742122), we get a palindrome (95866859).

The spelling of 22124737 in words is "twenty-two million, one hundred twenty-four thousand, seven hundred thirty-seven".