221062 has 8 divisors (see below), whose sum is σ = 335016. Its totient is φ = 109392.

The previous prime is 221059. The next prime is 221069. The reversal of 221062 is 260122.

It is a happy number.

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

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303 + ... + 730.

It is an arithmetic number, because the mean of its divisors is an integer number (41877).

2²²¹⁰⁶² is an apocalyptic number.

221062 is a deficient number, since it is larger than the sum of its proper divisors (113954).

221062 is a wasteful number, since it uses less digits than its factorization.

221062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 221062 is about 470.1723088401. The cubic root of 221062 is about 60.4650892551.

Adding to 221062 its reverse (260122), we get a palindrome (481184).

Subtracting 221062 from its reverse (260122), we obtain a triangular number (39060 = T₂₇₉).

It can be divided in two parts, 2 and 21062, that multiplied together give a palindrome (42124).

The spelling of 221062 in words is "two hundred twenty-one thousand, sixty-two".