22642463 has 2 divisors, whose sum is σ = 22642464. Its totient is φ = 22642462.

The previous prime is 22642457. The next prime is 22642469. The reversal of 22642463 is 36424622.

It is a balanced prime because it is at equal distance from previous prime (22642457) and next prime (22642469).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22642463 is a prime.

It is a super-2 number, since 2×22642463² = 1025362261412738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22642469) 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 as a sum of consecutive naturals, namely, 11321231 + 11321232.

It is an arithmetic number, because the mean of its divisors is an integer number (11321232).

Almost surely, 2^22642463 is an apocalyptic number.

22642463 is a deficient number, since it is larger than the sum of its proper divisors (1).

22642463 is an equidigital number, since it uses as much as digits as its factorization.

22642463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 29.

The square root of 22642463 is about 4758.4097133391. The cubic root of 22642463 is about 282.9053902594.

The spelling of 22642463 in words is "twenty-two million, six hundred forty-two thousand, four hundred sixty-three".