20222633 has 4 divisors (see below), whose sum is σ = 20875008. Its totient is φ = 19570260.

The previous prime is 20222621. The next prime is 20222689. The reversal of 20222633 is 33622202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20222633 - 2⁶ = 20222569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326141 + ... + 326202.

It is an arithmetic number, because the mean of its divisors is an integer number (5218752).

Almost surely, 2^20222633 is an apocalyptic number.

It is an amenable number.

20222633 is a deficient number, since it is larger than the sum of its proper divisors (652375).

20222633 is an equidigital number, since it uses as much as digits as its factorization.

20222633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652374.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 20222633 is about 4496.9581941575. The cubic root of 20222633 is about 272.4452455708.

Adding to 20222633 its reverse (33622202), we get a palindrome (53844835).

The spelling of 20222633 in words is "twenty million, two hundred twenty-two thousand, six hundred thirty-three".