223442412 has 12 divisors (see below), whose sum is σ = 521365656. Its totient is φ = 74480800.

The previous prime is 223442393. The next prime is 223442437. The reversal of 223442412 is 214244322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×223442412² = 99853022960755488, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9310089 + ... + 9310112.

It is an arithmetic number, because the mean of its divisors is an integer number (43447138).

Almost surely, 2^223442412 is an apocalyptic number.

It is an amenable number.

223442412 is an abundant number, since it is smaller than the sum of its proper divisors (297923244).

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

223442412 is a wasteful number, since it uses less digits than its factorization.

223442412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18620208 (or 18620206 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 223442412 is about 14947.9902328039. The cubic root of 223442412 is about 606.8134573478.

Adding to 223442412 its reverse (214244322), we get a palindrome (437686734).

The spelling of 223442412 in words is "two hundred twenty-three million, four hundred forty-two thousand, four hundred twelve".