20222463 has 8 divisors (see below), whose sum is σ = 27241648. Its totient is φ = 13342464.

The previous prime is 20222459. The next prime is 20222473. The reversal of 20222463 is 36422202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20222463 - 2² = 20222459 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 (20222413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34456 + ... + 35037.

It is an arithmetic number, because the mean of its divisors is an integer number (3405206).

Almost surely, 2^20222463 is an apocalyptic number.

20222463 is a deficient number, since it is larger than the sum of its proper divisors (7019185).

20222463 is an equidigital number, since it uses as much as digits as its factorization.

20222463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69593.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 20222463 is about 4496.9392924521. The cubic root of 20222463 is about 272.4444821387. Note that the first 4 decimals are identical.

Adding to 20222463 its reverse (36422202), we get a palindrome (56644665).

The spelling of 20222463 in words is "twenty million, two hundred twenty-two thousand, four hundred sixty-three".