223322946 has 96 divisors (see below), whose sum is σ = 576543744. Its totient is φ = 56023200.

The previous prime is 223322929. The next prime is 223322963. The reversal of 223322946 is 649223322.

It is a happy number.

223322946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223322929) and next prime (223322963).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 443731 + ... + 444233.

It is an arithmetic number, because the mean of its divisors is an integer number (6005664).

Almost surely, 2^223322946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223322946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288271872).

223322946 is an abundant number, since it is smaller than the sum of its proper divisors (353220798).

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

223322946 is a wasteful number, since it uses less digits than its factorization.

223322946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 557 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 223322946 is about 14943.9936429323. The cubic root of 223322946 is about 606.7052915203.

The spelling of 223322946 in words is "two hundred twenty-three million, three hundred twenty-two thousand, nine hundred forty-six".