22233450 has 48 divisors (see below), whose sum is σ = 58389120. Its totient is φ = 5579520.

The previous prime is 22233443. The next prime is 22233457. The reversal of 22233450 is 5433222.

It is an interprime number because it is at equal distance from previous prime (22233443) and next prime (22233457).

It is not an unprimeable number, because it can be changed into a prime (22233457) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1810 + ... + 6909.

It is an arithmetic number, because the mean of its divisors is an integer number (1216440).

Almost surely, 2^22233450 is an apocalyptic number.

22233450 is an abundant number, since it is smaller than the sum of its proper divisors (36155670).

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

22233450 is a wasteful number, since it uses less digits than its factorization.

22233450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8751 (or 8746 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 22233450 is about 4715.2359431952. The cubic root of 22233450 is about 281.1915631677.

Adding to 22233450 its reverse (5433222), we get a palindrome (27666672).

The spelling of 22233450 in words is "twenty-two million, two hundred thirty-three thousand, four hundred fifty".