20222396 has 12 divisors (see below), whose sum is σ = 36609720. Its totient is φ = 9762480.

The previous prime is 20222383. The next prime is 20222407. The reversal of 20222396 is 69322202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87050 + ... + 87281.

It is an arithmetic number, because the mean of its divisors is an integer number (3050810).

Almost surely, 2^20222396 is an apocalyptic number.

It is an amenable number.

20222396 is a deficient number, since it is larger than the sum of its proper divisors (16387324).

20222396 is a wasteful number, since it uses less digits than its factorization.

20222396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174364 (or 174362 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20222396 is about 4496.9318429347. The cubic root of 20222396 is about 272.4441812555. Note that the first 3 decimals are identical.

Adding to 20222396 its reverse (69322202), we get a palindrome (89544598).

The spelling of 20222396 in words is "twenty million, two hundred twenty-two thousand, three hundred ninety-six".