22826157 has 4 divisors (see below), whose sum is σ = 30434880. Its totient is φ = 15217436.

The previous prime is 22826149. The next prime is 22826159. The reversal of 22826157 is 75162822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22826157 - 2³ = 22826149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22826159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3804357 + ... + 3804362.

It is an arithmetic number, because the mean of its divisors is an integer number (7608720).

Almost surely, 2^22826157 is an apocalyptic number.

It is an amenable number.

22826157 is a deficient number, since it is larger than the sum of its proper divisors (7608723).

22826157 is an equidigital number, since it uses as much as digits as its factorization.

22826157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7608722.

The product of its digits is 13440, while the sum is 33.

The square root of 22826157 is about 4777.6727598277. The cubic root of 22826157 is about 283.6683831840.

Adding to 22826157 its reverse (75162822), we get a palindrome (97988979).

The spelling of 22826157 in words is "twenty-two million, eight hundred twenty-six thousand, one hundred fifty-seven".