22805146 has 16 divisors (see below), whose sum is σ = 42102144. Its totient is φ = 9021744.

The previous prime is 22805131. The next prime is 22805171. The reversal of 22805146 is 64150822.

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, 62470 + ... + 62833.

It is an arithmetic number, because the mean of its divisors is an integer number (2631384).

Almost surely, 2^22805146 is an apocalyptic number.

22805146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22805146 is a deficient number, since it is larger than the sum of its proper divisors (19296998).

22805146 is a wasteful number, since it uses less digits than its factorization.

22805146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125325.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 22805146 is about 4775.4733796766. The cubic root of 22805146 is about 283.5813195277.

Adding to 22805146 its reverse (64150822), we get a palindrome (86955968).

The spelling of 22805146 in words is "twenty-two million, eight hundred five thousand, one hundred forty-six".