22420626 has 32 divisors (see below), whose sum is σ = 46656000. Its totient is φ = 7175040.

The previous prime is 22420609. The next prime is 22420633. The reversal of 22420626 is 62602422.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22420596 and 22420605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27310 + ... + 28118.

It is an arithmetic number, because the mean of its divisors is an integer number (1458000).

Almost surely, 2^22420626 is an apocalyptic number.

22420626 is an abundant number, since it is smaller than the sum of its proper divisors (24235374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22420626 is a wasteful number, since it uses less digits than its factorization.

22420626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 22420626 is about 4735.0423440556. The cubic root of 22420626 is about 281.9784451107.

The spelling of 22420626 in words is "twenty-two million, four hundred twenty thousand, six hundred twenty-six".