223452040 has 32 divisors (see below), whose sum is σ = 574591680. Its totient is φ = 76612032.

The previous prime is 223452007. The next prime is 223452041. The reversal of 223452040 is 40254322.

It is not an unprimeable number, because it can be changed into a prime (223452041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398742 + ... + 399301.

It is an arithmetic number, because the mean of its divisors is an integer number (17955990).

Almost surely, 2^223452040 is an apocalyptic number.

223452040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223452040 is an abundant number, since it is smaller than the sum of its proper divisors (351139640).

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

223452040 is a wasteful number, since it uses less digits than its factorization.

223452040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798061 (or 798057 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 223452040 is about 14948.3122793177. The cubic root of 223452040 is about 606.8221729657.

The spelling of 223452040 in words is "two hundred twenty-three million, four hundred fifty-two thousand, forty".