223421270 has 8 divisors (see below), whose sum is σ = 402158304. Its totient is φ = 89368504.

The previous prime is 223421251. The next prime is 223421273. The reversal of 223421270 is 72124322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223421273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11171054 + ... + 11171073.

It is an arithmetic number, because the mean of its divisors is an integer number (50269788).

Almost surely, 2^223421270 is an apocalyptic number.

223421270 is a deficient number, since it is larger than the sum of its proper divisors (178737034).

223421270 is a wasteful number, since it uses less digits than its factorization.

223421270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22342134.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 223421270 is about 14947.2830307049. The cubic root of 223421270 is about 606.7943179573.

Adding to 223421270 its reverse (72124322), we get a palindrome (295545592).

The spelling of 223421270 in words is "two hundred twenty-three million, four hundred twenty-one thousand, two hundred seventy".