22120463 has 4 divisors (see below), whose sum is σ = 22129968. Its totient is φ = 22110960.

The previous prime is 22120459. The next prime is 22120477. The reversal of 22120463 is 36402122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22120463 - 2² = 22120459 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 (22120433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 6788.

It is an arithmetic number, because the mean of its divisors is an integer number (5532492).

Almost surely, 2^22120463 is an apocalyptic number.

22120463 is a deficient number, since it is larger than the sum of its proper divisors (9505).

22120463 is an equidigital number, since it uses as much as digits as its factorization.

22120463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22120463 is about 4703.2396281712. The cubic root of 22120463 is about 280.7144298086.

Adding to 22120463 its reverse (36402122), we get a palindrome (58522585).

The spelling of 22120463 in words is "twenty-two million, one hundred twenty thousand, four hundred sixty-three".