22773159 has 6 divisors (see below), whose sum is σ = 32894576. Its totient is φ = 15182100.

The previous prime is 22773139. The next prime is 22773173. The reversal of 22773159 is 95137722.

It is not a de Polignac number, because 22773159 - 2⁷ = 22773031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22773109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1265167 + ... + 1265184.

Almost surely, 2^22773159 is an apocalyptic number.

22773159 is a deficient number, since it is larger than the sum of its proper divisors (10121417).

22773159 is a wasteful number, since it uses less digits than its factorization.

22773159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530357 (or 2530354 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 22773159 is about 4772.1231124102. The cubic root of 22773159 is about 283.4486716888.

The spelling of 22773159 in words is "twenty-two million, seven hundred seventy-three thousand, one hundred fifty-nine".