223146798 has 32 divisors (see below), whose sum is σ = 511971840. Its totient is φ = 63516000.

The previous prime is 223146779. The next prime is 223146799. The reversal of 223146798 is 897641322.

It is a super-3 number, since 3×223146798³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223146799) 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, 1423 + ... + 21173.

It is an arithmetic number, because the mean of its divisors is an integer number (15999120).

Almost surely, 2^223146798 is an apocalyptic number.

223146798 is an abundant number, since it is smaller than the sum of its proper divisors (288825042).

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

223146798 is a wasteful number, since it uses less digits than its factorization.

223146798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20032.

The product of its digits is 145152, while the sum is 42.

The square root of 223146798 is about 14938.0988750242. The cubic root of 223146798 is about 606.5457347945.

The spelling of 223146798 in words is "two hundred twenty-three million, one hundred forty-six thousand, seven hundred ninety-eight".