20222055 has 60 divisors (see below), whose sum is σ = 42209640. Its totient is φ = 9235296.

The previous prime is 20222047. The next prime is 20222063. The reversal of 20222055 is 55022202.

It is an interprime number because it is at equal distance from previous prime (20222047) and next prime (20222063).

It is not a de Polignac number, because 20222055 - 2³ = 20222047 is a prime.

It is a congruent number.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 19336 + ... + 20354.

It is an arithmetic number, because the mean of its divisors is an integer number (703494).

Almost surely, 2^20222055 is an apocalyptic number.

20222055 is an abundant number, since it is smaller than the sum of its proper divisors (21987585).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20222055 is a wasteful number, since it uses less digits than its factorization.

20222055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 20222055 is about 4496.8939280352. The cubic root of 20222055 is about 272.4426498842.

Adding to 20222055 its reverse (55022202), we get a palindrome (75244257).

The spelling of 20222055 in words is "twenty million, two hundred twenty-two thousand, fifty-five".