22451230 has 16 divisors (see below), whose sum is σ = 41505120. Its totient is φ = 8737632.

The previous prime is 22451213. The next prime is 22451257. The reversal of 22451230 is 3215422.

It is a junction number, because it is equal to n+sod(n) for n = 22451198 and 22451207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29970 + ... + 30709.

It is an arithmetic number, because the mean of its divisors is an integer number (2594070).

Almost surely, 2^22451230 is an apocalyptic number.

22451230 is a deficient number, since it is larger than the sum of its proper divisors (19053890).

22451230 is a wasteful number, since it uses less digits than its factorization.

22451230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60723.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22451230 is about 4738.2728920990. The cubic root of 22451230 is about 282.1066863238.

Adding to 22451230 its reverse (3215422), we get a palindrome (25666652).

The spelling of 22451230 in words is "twenty-two million, four hundred fifty-one thousand, two hundred thirty".