222124541 has 4 divisors (see below), whose sum is σ = 227290272. Its totient is φ = 216958812.

The previous prime is 222124531. The next prime is 222124559. The reversal of 222124541 is 145421222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222124541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222124531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582801 + ... + 2582886.

It is an arithmetic number, because the mean of its divisors is an integer number (56822568).

Almost surely, 2^222124541 is an apocalyptic number.

It is an amenable number.

222124541 is a deficient number, since it is larger than the sum of its proper divisors (5165731).

222124541 is an equidigital number, since it uses as much as digits as its factorization.

222124541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165730.

The product of its digits is 1280, while the sum is 23.

The square root of 222124541 is about 14903.8431620841. The cubic root of 222124541 is about 605.6181019903.

Adding to 222124541 its reverse (145421222), we get a palindrome (367545763).

It can be divided in two parts, 2221 and 24541, that added together give a palindrome (26762).

The spelling of 222124541 in words is "two hundred twenty-two million, one hundred twenty-four thousand, five hundred forty-one".