22265430 has 64 divisors (see below), whose sum is σ = 58924800. Its totient is φ = 5339520.

The previous prime is 22265413. The next prime is 22265431. The reversal of 22265430 is 3456222.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22265430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22265431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35661 + ... + 36279.

It is an arithmetic number, because the mean of its divisors is an integer number (920700).

Almost surely, 2^22265430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22265430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29462400).

22265430 is an abundant number, since it is smaller than the sum of its proper divisors (36659370).

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

22265430 is a wasteful number, since it uses less digits than its factorization.

22265430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22265430 is about 4718.6258592942. The cubic root of 22265430 is about 281.3263180544.

The spelling of 22265430 in words is "twenty-two million, two hundred sixty-five thousand, four hundred thirty".