22530430 has 32 divisors (see below), whose sum is σ = 44307648. Its totient is φ = 8198400.

The previous prime is 22530379. The next prime is 22530449. The reversal of 22530430 is 3403522.

It is a junction number, because it is equal to n+sod(n) for n = 22530398 and 22530407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8010 + ... + 10450.

It is an arithmetic number, because the mean of its divisors is an integer number (1384614).

Almost surely, 2^22530430 is an apocalyptic number.

22530430 is a deficient number, since it is larger than the sum of its proper divisors (21777218).

22530430 is a wasteful number, since it uses less digits than its factorization.

22530430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22530430 is about 4746.6230100989. The cubic root of 22530430 is about 282.4380212272.

Adding to 22530430 its reverse (3403522), we get a palindrome (25933952).

The spelling of 22530430 in words is "twenty-two million, five hundred thirty thousand, four hundred thirty".