22421463 has 16 divisors (see below), whose sum is σ = 32486400. Its totient is φ = 13703040.

The previous prime is 22421461. The next prime is 22421479. The reversal of 22421463 is 36412422.

It is not a de Polignac number, because 22421463 - 2¹ = 22421461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4578 + ... + 8111.

It is an arithmetic number, because the mean of its divisors is an integer number (2030400).

Almost surely, 2^22421463 is an apocalyptic number.

22421463 is a deficient number, since it is larger than the sum of its proper divisors (10064937).

22421463 is a wasteful number, since it uses less digits than its factorization.

22421463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12742.

The product of its digits is 2304, while the sum is 24.

The square root of 22421463 is about 4735.1307268121. The cubic root of 22421463 is about 281.9819539782.

Adding to 22421463 its reverse (36412422), we get a palindrome (58833885).

The spelling of 22421463 in words is "twenty-two million, four hundred twenty-one thousand, four hundred sixty-three".