22126463 has 4 divisors (see below), whose sum is σ = 22166328. Its totient is φ = 22086600.

The previous prime is 22126441. The next prime is 22126471. The reversal of 22126463 is 36462122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22126463 - 2¹² = 22122367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22176463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19088 + ... + 20213.

It is an arithmetic number, because the mean of its divisors is an integer number (5541582).

Almost surely, 2^22126463 is an apocalyptic number.

22126463 is a deficient number, since it is larger than the sum of its proper divisors (39865).

22126463 is an equidigital number, since it uses as much as digits as its factorization.

22126463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39864.

The product of its digits is 3456, while the sum is 26.

The square root of 22126463 is about 4703.8774431314. The cubic root of 22126463 is about 280.7398080345.

Adding to 22126463 its reverse (36462122), we get a palindrome (58588585).

The spelling of 22126463 in words is "twenty-two million, one hundred twenty-six thousand, four hundred sixty-three".