22150543 has 2 divisors, whose sum is σ = 22150544. Its totient is φ = 22150542.

The previous prime is 22150529. The next prime is 22150549. The reversal of 22150543 is 34505122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22150543 - 2⁵ = 22150511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22150549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075271 + 11075272.

It is an arithmetic number, because the mean of its divisors is an integer number (11075272).

Almost surely, 2^22150543 is an apocalyptic number.

22150543 is a deficient number, since it is larger than the sum of its proper divisors (1).

22150543 is an equidigital number, since it uses as much as digits as its factorization.

22150543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22150543 is about 4706.4363376126. The cubic root of 22150543 is about 280.8416131852.

Adding to 22150543 its reverse (34505122), we get a palindrome (56655665).

The spelling of 22150543 in words is "twenty-two million, one hundred fifty thousand, five hundred forty-three".