22000154 has 16 divisors (see below), whose sum is σ = 37242720. Its totient is φ = 9654960.

The previous prime is 22000151. The next prime is 22000169. The reversal of 22000154 is 45100022.

22000154 is a modest number, since divided by 154 gives 22 as remainder.

It is not an unprimeable number, because it can be changed into a prime (22000151) 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 7 ways as a sum of consecutive naturals, for example, 16604 + ... + 17879.

It is an arithmetic number, because the mean of its divisors is an integer number (2327670).

Almost surely, 2^22000154 is an apocalyptic number.

22000154 is a deficient number, since it is larger than the sum of its proper divisors (15242566).

22000154 is a wasteful number, since it uses less digits than its factorization.

22000154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34525.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 22000154 is about 4690.4321762499. The cubic root of 22000154 is about 280.2045868732.

Adding to 22000154 its reverse (45100022), we get a palindrome (67100176).

The spelling of 22000154 in words is "twenty-two million, one hundred fifty-four", and thus it is an aban number.