23227156 has 12 divisors (see below), whose sum is σ = 41639220. Its totient is φ = 11330240.

The previous prime is 23227147. The next prime is 23227159. The reversal of 23227156 is 65172232.

It can be written as a sum of positive squares in 2 ways, for example, as 11088900 + 12138256 = 3330^2 + 3484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23227159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70651 + ... + 70978.

It is an arithmetic number, because the mean of its divisors is an integer number (3469935).

Almost surely, 2^23227156 is an apocalyptic number.

It is an amenable number.

23227156 is a deficient number, since it is larger than the sum of its proper divisors (18412064).

23227156 is a wasteful number, since it uses less digits than its factorization.

23227156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141674 (or 141672 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 23227156 is about 4819.4559858972. The cubic root of 23227156 is about 285.3198665775.

Adding to 23227156 its reverse (65172232), we get a palindrome (88399388).

The spelling of 23227156 in words is "twenty-three million, two hundred twenty-seven thousand, one hundred fifty-six".