223779948 has 96 divisors (see below), whose sum is σ = 648560640. Its totient is φ = 58605120.

The previous prime is 223779937. The next prime is 223779973. The reversal of 223779948 is 849977322.

It is a self number, because there is not a number n which added to its sum of digits gives 223779948.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47215 + ... + 51737.

It is an arithmetic number, because the mean of its divisors is an integer number (6755840).

Almost surely, 2^223779948 is an apocalyptic number.

223779948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223779948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324280320).

223779948 is an abundant number, since it is smaller than the sum of its proper divisors (424780692).

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

223779948 is a wasteful number, since it uses less digits than its factorization.

223779948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587 (or 4585 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 223779948 is about 14959.2763193946. The cubic root of 223779948 is about 607.1188579448.

The spelling of 223779948 in words is "two hundred twenty-three million, seven hundred seventy-nine thousand, nine hundred forty-eight".