20226422 has 4 divisors (see below), whose sum is σ = 30339636. Its totient is φ = 10113210.

The previous prime is 20226421. The next prime is 20226461. The reversal of 20226422 is 22462202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20226394 and 20226403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20226421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056604 + ... + 5056607.

It is an arithmetic number, because the mean of its divisors is an integer number (7584909).

Almost surely, 2^20226422 is an apocalyptic number.

20226422 is a deficient number, since it is larger than the sum of its proper divisors (10113214).

20226422 is a wasteful number, since it uses less digits than its factorization.

20226422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113213.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20226422 is about 4497.3794591962. The cubic root of 20226422 is about 272.4622600149.

Adding to 20226422 its reverse (22462202), we get a palindrome (42688624).

The spelling of 20226422 in words is "twenty million, two hundred twenty-six thousand, four hundred twenty-two".