222132541 has 2 divisors, whose sum is σ = 222132542. Its totient is φ = 222132540.

The previous prime is 222132529. The next prime is 222132563. The reversal of 222132541 is 145231222.

It is a happy number.

It is an a-pointer prime, because the next prime (222132563) can be obtained adding 222132541 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181440900 + 40691641 = 13470^2 + 6379^2 .

It is a cyclic number.

It is not a de Polignac number, because 222132541 - 2¹³ = 222124349 is a prime.

It is a super-2 number, since 2×222132541² = 98685731542233362, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222132041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111066270 + 111066271.

It is an arithmetic number, because the mean of its divisors is an integer number (111066271).

Almost surely, 2^222132541 is an apocalyptic number.

It is an amenable number.

222132541 is a deficient number, since it is larger than the sum of its proper divisors (1).

222132541 is an equidigital number, since it uses as much as digits as its factorization.

222132541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 22.

The square root of 222132541 is about 14904.1115468182. Note that the first 3 decimals coincide. The cubic root of 222132541 is about 605.6253725161.

Adding to 222132541 its reverse (145231222), we get a palindrome (367363763).

The spelling of 222132541 in words is "two hundred twenty-two million, one hundred thirty-two thousand, five hundred forty-one".