213334450 has 24 divisors (see below), whose sum is σ = 453488832. Its totient is φ = 73143120.

The previous prime is 213334441. The next prime is 213334477. The reversal of 213334450 is 54433312.

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 11 ways as a sum of consecutive naturals, for example, 304414 + ... + 305113.

It is an arithmetic number, because the mean of its divisors is an integer number (18895368).

Almost surely, 2^213334450 is an apocalyptic number.

213334450 is an abundant number, since it is smaller than the sum of its proper divisors (240154382).

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

213334450 is a wasteful number, since it uses less digits than its factorization.

213334450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609546 (or 609541 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 213334450 is about 14605.9730932246. The cubic root of 213334450 is about 597.5216754215.

Adding to 213334450 its reverse (54433312), we get a palindrome (267767762).

The spelling of 213334450 in words is "two hundred thirteen million, three hundred thirty-four thousand, four hundred fifty".