22884157 has 2 divisors, whose sum is σ = 22884158. Its totient is φ = 22884156.

The previous prime is 22884139. The next prime is 22884209. The reversal of 22884157 is 75148822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22335076 + 549081 = 4726^2 + 741^2 .

It is a cyclic number.

It is not a de Polignac number, because 22884157 - 2¹¹ = 22882109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22882157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11442078 + 11442079.

It is an arithmetic number, because the mean of its divisors is an integer number (11442079).

Almost surely, 2^22884157 is an apocalyptic number.

It is an amenable number.

22884157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22884157 is an equidigital number, since it uses as much as digits as its factorization.

22884157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 37.

The square root of 22884157 is about 4783.7388097596. The cubic root of 22884157 is about 283.9084418541.

The spelling of 22884157 in words is "twenty-two million, eight hundred eighty-four thousand, one hundred fifty-seven".