20220322 has 4 divisors (see below), whose sum is σ = 30330486. Its totient is φ = 10110160.

The previous prime is 20220311. The next prime is 20220323. The reversal of 20220322 is 22302202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11758041 + 8462281 = 3429^2 + 2909^2 .

It is a super-2 number, since 2×20220322² = 817722843567368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20220323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055079 + ... + 5055082.

Almost surely, 2^20220322 is an apocalyptic number.

20220322 is a deficient number, since it is larger than the sum of its proper divisors (10110164).

20220322 is a wasteful number, since it uses less digits than its factorization.

20220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110163.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20220322 is about 4496.7012353502. The cubic root of 20220322 is about 272.4348670188.

Adding to 20220322 its reverse (22302202), we get a palindrome (42522524).

The spelling of 20220322 in words is "twenty million, two hundred twenty thousand, three hundred twenty-two".