23227730 has 32 divisors (see below), whose sum is σ = 43203888. Its totient is φ = 8985600.

The previous prime is 23227703. The next prime is 23227733. The reversal of 23227730 is 3772232.

It can be written as a sum of positive squares in 8 ways, for example, as 1540081 + 21687649 = 1241^2 + 4657^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23227730.

It is not an unprimeable number, because it can be changed into a prime (23227733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74054 + ... + 74366.

Almost surely, 2^23227730 is an apocalyptic number.

23227730 is a deficient number, since it is larger than the sum of its proper divisors (19976158).

23227730 is a wasteful number, since it uses less digits than its factorization.

23227730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 23227730 is about 4819.5155358189. The cubic root of 23227730 is about 285.3222168760.

Adding to 23227730 its reverse (3772232), we get a palindrome (26999962).

The spelling of 23227730 in words is "twenty-three million, two hundred twenty-seven thousand, seven hundred thirty".