223770740 has 12 divisors (see below), whose sum is σ = 469918596. Its totient is φ = 89508288.

The previous prime is 223770737. The next prime is 223770751. The reversal of 223770740 is 47077322.

223770740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 84860944 + 138909796 = 9212^2 + 11786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223770697 and 223770706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5594249 + ... + 5594288.

It is an arithmetic number, because the mean of its divisors is an integer number (39159883).

Almost surely, 2^223770740 is an apocalyptic number.

223770740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223770740 is an abundant number, since it is smaller than the sum of its proper divisors (246147856).

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

223770740 is a wasteful number, since it uses less digits than its factorization.

223770740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11188546 (or 11188544 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 223770740 is about 14958.9685473297. The cubic root of 223770740 is about 607.1105306763.

The spelling of 223770740 in words is "two hundred twenty-three million, seven hundred seventy thousand, seven hundred forty".