22254154 has 16 divisors (see below), whose sum is σ = 36036000. Its totient is φ = 10246320.

The previous prime is 22254121. The next prime is 22254157. The reversal of 22254154 is 45145222.

It is not an unprimeable number, because it can be changed into a prime (22254157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14097 + ... + 15595.

It is an arithmetic number, because the mean of its divisors is an integer number (2252250).

Almost surely, 2^22254154 is an apocalyptic number.

22254154 is a deficient number, since it is larger than the sum of its proper divisors (13781846).

22254154 is a wasteful number, since it uses less digits than its factorization.

22254154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085.

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

The square root of 22254154 is about 4717.4308685979. The cubic root of 22254154 is about 281.2788188412.

Adding to 22254154 its reverse (45145222), we get a palindrome (67399376).

The spelling of 22254154 in words is "twenty-two million, two hundred fifty-four thousand, one hundred fifty-four".