22348463 has 4 divisors (see below), whose sum is σ = 22435680. Its totient is φ = 22261248.

The previous prime is 22348423. The next prime is 22348477. The reversal of 22348463 is 36484322.

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 22348463 - 2¹² = 22344367 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22348423) 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, 43223 + ... + 43736.

It is an arithmetic number, because the mean of its divisors is an integer number (5608920).

Almost surely, 2^22348463 is an apocalyptic number.

22348463 is a deficient number, since it is larger than the sum of its proper divisors (87217).

22348463 is an equidigital number, since it uses as much as digits as its factorization.

22348463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87216.

The product of its digits is 27648, while the sum is 32.

The square root of 22348463 is about 4727.4161018468. The cubic root of 22348463 is about 281.6755947981.

The spelling of 22348463 in words is "twenty-two million, three hundred forty-eight thousand, four hundred sixty-three".