223378408 has 32 divisors (see below), whose sum is σ = 457486560. Its totient is φ = 101407680.

The previous prime is 223378403. The next prime is 223378423. The reversal of 223378408 is 804873322.

It is a happy number.

223378408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×223378408² = 99795826321228928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223378403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126991 + ... + 128737.

It is an arithmetic number, because the mean of its divisors is an integer number (14296455).

Almost surely, 2^223378408 is an apocalyptic number.

It is an amenable number.

223378408 is an abundant number, since it is smaller than the sum of its proper divisors (234108152).

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

223378408 is a wasteful number, since it uses less digits than its factorization.

223378408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3213 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 223378408 is about 14945.8491896580. The cubic root of 223378408 is about 606.7555122198.

The spelling of 223378408 in words is "two hundred twenty-three million, three hundred seventy-eight thousand, four hundred eight".