20222355 has 8 divisors (see below), whose sum is σ = 32355792. Its totient is φ = 10785248.

The previous prime is 20222353. The next prime is 20222357. The reversal of 20222355 is 55322202.

It is an interprime number because it is at equal distance from previous prime (20222353) and next prime (20222357).

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

It is a cyclic number.

It is not a de Polignac number, because 20222355 - 2¹ = 20222353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222351) 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 7 ways as a sum of consecutive naturals, for example, 674064 + ... + 674093.

It is an arithmetic number, because the mean of its divisors is an integer number (4044474).

Almost surely, 2^20222355 is an apocalyptic number.

20222355 is a deficient number, since it is larger than the sum of its proper divisors (12133437).

20222355 is a wasteful number, since it uses less digits than its factorization.

20222355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348165.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 20222355 is about 4496.9272842687. The cubic root of 20222355 is about 272.4439971326.

Adding to 20222355 its reverse (55322202), we get a palindrome (75544557).

The spelling of 20222355 in words is "twenty million, two hundred twenty-two thousand, three hundred fifty-five".