20226622 has 16 divisors (see below), whose sum is σ = 33136992. Its totient is φ = 9203040.

The previous prime is 20226599. The next prime is 20226623. The reversal of 20226622 is 22662202.

It is a junction number, because it is equal to n+sod(n) for n = 20226593 and 20226602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20226623) 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, 3633 + ... + 7324.

It is an arithmetic number, because the mean of its divisors is an integer number (2071062).

Almost surely, 2^20226622 is an apocalyptic number.

20226622 is a deficient number, since it is larger than the sum of its proper divisors (12910370).

20226622 is a wasteful number, since it uses less digits than its factorization.

20226622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20226622 is about 4497.4016943120. The cubic root of 20226622 is about 272.4631580526.

Adding to 20226622 its reverse (22662202), we get a palindrome (42888824).

The spelling of 20226622 in words is "twenty million, two hundred twenty-six thousand, six hundred twenty-two".