223349456 has 80 divisors (see below), whose sum is σ = 486665280. Its totient is φ = 98442240.

The previous prime is 223349453. The next prime is 223349461. The reversal of 223349456 is 654943322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223349453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1422530 + ... + 1422686.

It is an arithmetic number, because the mean of its divisors is an integer number (6083316).

Almost surely, 2^223349456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223349456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243332640).

223349456 is an abundant number, since it is smaller than the sum of its proper divisors (263315824).

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

223349456 is a wasteful number, since it uses less digits than its factorization.

223349456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 366 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 223349456 is about 14944.8805950399. The cubic root of 223349456 is about 606.7292972949.

The spelling of 223349456 in words is "two hundred twenty-three million, three hundred forty-nine thousand, four hundred fifty-six".