22238546 has 8 divisors (see below), whose sum is σ = 36390384. Its totient is φ = 10108420.

The previous prime is 22238543. The next prime is 22238551. The reversal of 22238546 is 64583222.

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

It is not an unprimeable number, because it can be changed into a prime (22238543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505400 + ... + 505443.

It is an arithmetic number, because the mean of its divisors is an integer number (4548798).

Almost surely, 2^22238546 is an apocalyptic number.

22238546 is a deficient number, since it is larger than the sum of its proper divisors (14151838).

22238546 is a wasteful number, since it uses less digits than its factorization.

22238546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010856.

The product of its digits is 23040, while the sum is 32.

The square root of 22238546 is about 4715.7762881630. The cubic root of 22238546 is about 281.2130449552.

The spelling of 22238546 in words is "twenty-two million, two hundred thirty-eight thousand, five hundred forty-six".