223401444 has 48 divisors (see below), whose sum is σ = 597746688. Its totient is φ = 63613728.

The previous prime is 223401439. The next prime is 223401467. The reversal of 223401444 is 444104322.

It is a happy number.

223401444 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21457 + ... + 30119.

It is an arithmetic number, because the mean of its divisors is an integer number (12453056).

Almost surely, 2^223401444 is an apocalyptic number.

It is an amenable number.

223401444 is an abundant number, since it is smaller than the sum of its proper divisors (374345244).

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

223401444 is a wasteful number, since it uses less digits than its factorization.

223401444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984 (or 8982 counting only the distinct ones).

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

The square root of 223401444 is about 14946.6198185409. The cubic root of 223401444 is about 606.7763688157.

Adding to 223401444 its reverse (444104322), we get a palindrome (667505766).

The spelling of 223401444 in words is "two hundred twenty-three million, four hundred one thousand, four hundred forty-four".