22541443 has 2 divisors, whose sum is σ = 22541444. Its totient is φ = 22541442.

The previous prime is 22541423. The next prime is 22541459. The reversal of 22541443 is 34414522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22541443 - 2⁵ = 22541411 is a prime.

It is not a weakly prime, because it can be changed into another prime (22541423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270721 + 11270722.

It is an arithmetic number, because the mean of its divisors is an integer number (11270722).

Almost surely, 2^22541443 is an apocalyptic number.

22541443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22541443 is an equidigital number, since it uses as much as digits as its factorization.

22541443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 25.

The square root of 22541443 is about 4747.7829562860. The cubic root of 22541443 is about 282.4840328251.

Adding to 22541443 its reverse (34414522), we get a palindrome (56955965).

The spelling of 22541443 in words is "twenty-two million, five hundred forty-one thousand, four hundred forty-three".