223546340 has 24 divisors (see below), whose sum is σ = 476062272. Its totient is φ = 88158560.

The previous prime is 223546331. The next prime is 223546357. The reversal of 223546340 is 43645322.

223546340 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-2 number, since 2×223546340² = 99945932254791200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77294 + ... + 80133.

It is an arithmetic number, because the mean of its divisors is an integer number (19835928).

Almost surely, 2^223546340 is an apocalyptic number.

223546340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223546340 is an abundant number, since it is smaller than the sum of its proper divisors (252515932).

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

223546340 is a wasteful number, since it uses less digits than its factorization.

223546340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157507 (or 157505 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 223546340 is about 14951.4661488431. The cubic root of 223546340 is about 606.9075235449.

The spelling of 223546340 in words is "two hundred twenty-three million, five hundred forty-six thousand, three hundred forty".