22406622 has 24 divisors (see below), whose sum is σ = 52130376. Its totient is φ = 6401808.

The previous prime is 22406543. The next prime is 22406627. The reversal of 22406622 is 22660422.

It is a junction number, because it is equal to n+sod(n) for n = 22406592 and 22406601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22406627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37813 + ... + 38400.

It is an arithmetic number, because the mean of its divisors is an integer number (2172099).

Almost surely, 2^22406622 is an apocalyptic number.

22406622 is an abundant number, since it is smaller than the sum of its proper divisors (29723754).

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

22406622 is a wasteful number, since it uses less digits than its factorization.

22406622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76232 (or 76225 counting only the distinct ones).

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

The square root of 22406622 is about 4733.5633512186. The cubic root of 22406622 is about 281.9197246482.

The spelling of 22406622 in words is "twenty-two million, four hundred six thousand, six hundred twenty-two".