22426471 has 2 divisors, whose sum is σ = 22426472. Its totient is φ = 22426470.

The previous prime is 22426463. The next prime is 22426493. The reversal of 22426471 is 17462422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22426471 - 2³ = 22426463 is a prime.

It is a super-3 number, since 3×22426471³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22426421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11213235 + 11213236.

It is an arithmetic number, because the mean of its divisors is an integer number (11213236).

Almost surely, 2^22426471 is an apocalyptic number.

22426471 is a deficient number, since it is larger than the sum of its proper divisors (1).

22426471 is an equidigital number, since it uses as much as digits as its factorization.

22426471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 28.

The square root of 22426471 is about 4735.6595105645. The cubic root of 22426471 is about 282.0029466687.

Adding to 22426471 its reverse (17462422), we get a palindrome (39888893).

The spelling of 22426471 in words is "twenty-two million, four hundred twenty-six thousand, four hundred seventy-one".