22530146 has 8 divisors (see below), whose sum is σ = 34271424. Its totient is φ = 11106340.

The previous prime is 22530139. The next prime is 22530161. The reversal of 22530146 is 64103522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79190 + ... + 79473.

It is an arithmetic number, because the mean of its divisors is an integer number (4283928).

Almost surely, 2^22530146 is an apocalyptic number.

22530146 is a deficient number, since it is larger than the sum of its proper divisors (11741278).

22530146 is a wasteful number, since it uses less digits than its factorization.

22530146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158736.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22530146 is about 4746.5930939991. The cubic root of 22530146 is about 282.4368344953.

Adding to 22530146 its reverse (64103522), we get a palindrome (86633668).

The spelling of 22530146 in words is "twenty-two million, five hundred thirty thousand, one hundred forty-six".