22420466 has 8 divisors (see below), whose sum is σ = 33819120. Its totient is φ = 11147428.

The previous prime is 22420441. The next prime is 22420493. The reversal of 22420466 is 66402422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 30956 + ... + 31671.

It is an arithmetic number, because the mean of its divisors is an integer number (4227390).

Almost surely, 2^22420466 is an apocalyptic number.

22420466 is a deficient number, since it is larger than the sum of its proper divisors (11398654).

22420466 is a wasteful number, since it uses less digits than its factorization.

22420466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62808.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 22420466 is about 4735.0254487173. The cubic root of 22420466 is about 281.9777743495.

Adding to 22420466 its reverse (66402422), we get a palindrome (88822888).

The spelling of 22420466 in words is "twenty-two million, four hundred twenty thousand, four hundred sixty-six".