223221294 has 48 divisors (see below), whose sum is σ = 506750400. Its totient is φ = 70918848.

The previous prime is 223221289. The next prime is 223221301. The reversal of 223221294 is 492122322.

223221294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223221294³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38532 + ... + 43944.

It is an arithmetic number, because the mean of its divisors is an integer number (10557300).

Almost surely, 2^223221294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223221294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253375200).

223221294 is an abundant number, since it is smaller than the sum of its proper divisors (283529106).

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

223221294 is a wasteful number, since it uses less digits than its factorization.

223221294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529 (or 5526 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 223221294 is about 14940.5921569394. The cubic root of 223221294 is about 606.6132243038.

The spelling of 223221294 in words is "two hundred twenty-three million, two hundred twenty-one thousand, two hundred ninety-four".