221234262 has 8 divisors (see below), whose sum is σ = 442468536. Its totient is φ = 73744752.

The previous prime is 221234261. The next prime is 221234267. The reversal of 221234262 is 262432122.

It is a happy number.

221234262 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

221234262 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221234261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18436183 + ... + 18436194.

It is an arithmetic number, because the mean of its divisors is an integer number (55308567).

Almost surely, 2^221234262 is an apocalyptic number.

221234262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221234262 is a wasteful number, since it uses less digits than its factorization.

221234262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36872382.

The product of its digits is 2304, while the sum is 24.

The square root of 221234262 is about 14873.9457441528. The cubic root of 221234262 is about 604.8079093283.

Adding to 221234262 its reverse (262432122), we get a palindrome (483666384).

The spelling of 221234262 in words is "two hundred twenty-one million, two hundred thirty-four thousand, two hundred sixty-two".