221341238 has 4 divisors (see below), whose sum is σ = 332011860. Its totient is φ = 110670618.

The previous prime is 221341231. The next prime is 221341243. The reversal of 221341238 is 832143122.

221341238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221341231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55335308 + ... + 55335311.

It is an arithmetic number, because the mean of its divisors is an integer number (83002965).

Almost surely, 2^221341238 is an apocalyptic number.

221341238 is a deficient number, since it is larger than the sum of its proper divisors (110670622).

221341238 is a wasteful number, since it uses less digits than its factorization.

221341238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110670621.

The product of its digits is 2304, while the sum is 26.

The square root of 221341238 is about 14877.5413963464. The cubic root of 221341238 is about 604.9053769098.

The spelling of 221341238 in words is "two hundred twenty-one million, three hundred forty-one thousand, two hundred thirty-eight".