20224426 has 16 divisors (see below), whose sum is σ = 31596840. Its totient is φ = 9696960.

The previous prime is 20224423. The next prime is 20224447. The reversal of 20224426 is 62442202.

It can be written as a sum of positive squares in 4 ways, for example, as 17214201 + 3010225 = 4149^2 + 1735^2 .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 20224397 and 20224406.

It is not an unprimeable number, because it can be changed into a prime (20224423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7996 + ... + 10216.

Almost surely, 2^20224426 is an apocalyptic number.

20224426 is a deficient number, since it is larger than the sum of its proper divisors (11372414).

20224426 is a wasteful number, since it uses less digits than its factorization.

20224426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 20224426 is about 4497.1575467177. The cubic root of 20224426 is about 272.4532972736.

Adding to 20224426 its reverse (62442202), we get a palindrome (82666628).

The spelling of 20224426 in words is "twenty million, two hundred twenty-four thousand, four hundred twenty-six".