222505450 has 48 divisors (see below), whose sum is σ = 434543616. Its totient is φ = 84603200.

The previous prime is 222505433. The next prime is 222505471. The reversal of 222505450 is 54505222.

It is a happy number.

222505450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 219144 + ... + 220156.

It is an arithmetic number, because the mean of its divisors is an integer number (9052992).

Almost surely, 2^222505450 is an apocalyptic number.

222505450 is a deficient number, since it is larger than the sum of its proper divisors (212038166).

222505450 is a wasteful number, since it uses less digits than its factorization.

222505450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 222505450 is about 14916.6165734727. The cubic root of 222505450 is about 605.9640845442.

The spelling of 222505450 in words is "two hundred twenty-two million, five hundred five thousand, four hundred fifty".