22245154 has 8 divisors (see below), whose sum is σ = 33421248. Its totient is φ = 11104740.

The previous prime is 22245151. The next prime is 22245161. The reversal of 22245154 is 45154222.

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 (22245151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7302 + ... + 9889.

It is an arithmetic number, because the mean of its divisors is an integer number (4177656).

Almost surely, 2^22245154 is an apocalyptic number.

22245154 is a deficient number, since it is larger than the sum of its proper divisors (11176094).

22245154 is a wasteful number, since it uses less digits than its factorization.

22245154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17840.

The product of its digits is 3200, while the sum is 25.

The square root of 22245154 is about 4716.4768630833. The cubic root of 22245154 is about 281.2408955736.

Adding to 22245154 its reverse (45154222), we get a palindrome (67399376).

The spelling of 22245154 in words is "twenty-two million, two hundred forty-five thousand, one hundred fifty-four".