22228441 has 2 divisors, whose sum is σ = 22228442. Its totient is φ = 22228440.

The previous prime is 22228421. The next prime is 22228447. The reversal of 22228441 is 14482222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21902400 + 326041 = 4680^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 22228441 - 2¹³ = 22220249 is a prime.

It is not a weakly prime, because it can be changed into another prime (22228447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11114220 + 11114221.

It is an arithmetic number, because the mean of its divisors is an integer number (11114221).

Almost surely, 2^22228441 is an apocalyptic number.

It is an amenable number.

22228441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22228441 is an equidigital number, since it uses as much as digits as its factorization.

22228441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 25.

The square root of 22228441 is about 4714.7047627609. The cubic root of 22228441 is about 281.1704449228.

The spelling of 22228441 in words is "twenty-two million, two hundred twenty-eight thousand, four hundred forty-one".