223542450 has 48 divisors (see below), whose sum is σ = 615987360. Its totient is φ = 59610960.

The previous prime is 223542433. The next prime is 223542463. The reversal of 223542450 is 54245322.

It is a happy number.

223542450 is a `hidden beast` number, since 2 + 235 + 424 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81444 + ... + 84143.

It is an arithmetic number, because the mean of its divisors is an integer number (12833070).

Almost surely, 2^223542450 is an apocalyptic number.

223542450 is an abundant number, since it is smaller than the sum of its proper divisors (392444910).

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

223542450 is a wasteful number, since it uses less digits than its factorization.

223542450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165608 (or 165597 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 223542450 is about 14951.3360607004. The cubic root of 223542450 is about 606.9040031951.

Adding to 223542450 its reverse (54245322), we get a palindrome (277787772).

The spelling of 223542450 in words is "two hundred twenty-three million, five hundred forty-two thousand, four hundred fifty".