23222412 has 18 divisors (see below), whose sum is σ = 58701188. Its totient is φ = 7740792.

The previous prime is 23222377. The next prime is 23222413. The reversal of 23222412 is 21422232.

23222412 is a `hidden beast` number, since 232 + 22 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (23222413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322498 + ... + 322569.

Almost surely, 2^23222412 is an apocalyptic number.

It is an amenable number.

23222412 is an abundant number, since it is smaller than the sum of its proper divisors (35478776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23222412 is a wasteful number, since it uses less digits than its factorization.

23222412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645077 (or 645072 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 23222412 is about 4818.9637890318. The cubic root of 23222412 is about 285.3004403276.

Adding to 23222412 its reverse (21422232), we get a palindrome (44644644).

The spelling of 23222412 in words is "twenty-three million, two hundred twenty-two thousand, four hundred twelve".