22354266 has 48 divisors (see below), whose sum is σ = 50408064. Its totient is φ = 6600000.

The previous prime is 22354261. The next prime is 22354291. The reversal of 22354266 is 66245322.

It is not an unprimeable number, because it can be changed into a prime (22354261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29391 + ... + 30141.

It is an arithmetic number, because the mean of its divisors is an integer number (1050168).

Almost surely, 2^22354266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22354266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25204032).

22354266 is an abundant number, since it is smaller than the sum of its proper divisors (28053798).

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

22354266 is a wasteful number, since it uses less digits than its factorization.

22354266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 808 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 22354266 is about 4728.0298222410. The cubic root of 22354266 is about 281.6999726419.

Adding to 22354266 its reverse (66245322), we get a palindrome (88599588).

The spelling of 22354266 in words is "twenty-two million, three hundred fifty-four thousand, two hundred sixty-six".