23212276 has 12 divisors (see below), whose sum is σ = 43011108. Its totient is φ = 10923392.

The previous prime is 23212271. The next prime is 23212289. The reversal of 23212276 is 67221232.

It can be written as a sum of positive squares in 2 ways, for example, as 19131876 + 4080400 = 4374^2 + 2020^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23212276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212271) 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, 170611 + ... + 170746.

It is an arithmetic number, because the mean of its divisors is an integer number (3584259).

Almost surely, 2^23212276 is an apocalyptic number.

It is an amenable number.

23212276 is a deficient number, since it is larger than the sum of its proper divisors (19798832).

23212276 is a wasteful number, since it uses less digits than its factorization.

23212276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341378 (or 341376 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 23212276 is about 4817.9119958754. The cubic root of 23212276 is about 285.2589254597.

The spelling of 23212276 in words is "twenty-three million, two hundred twelve thousand, two hundred seventy-six".