22000054 has 4 divisors (see below), whose sum is σ = 33000084. Its totient is φ = 11000026.

The previous prime is 22000037. The next prime is 22000061. The reversal of 22000054 is 45000022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45000022 = 2 ⋅22500011.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

22000054 is a modest number, since divided by 54 gives 22 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 21999998 and 22000043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500012 + ... + 5500015.

It is an arithmetic number, because the mean of its divisors is an integer number (8250021).

Almost surely, 2^22000054 is an apocalyptic number.

22000054 is a deficient number, since it is larger than the sum of its proper divisors (11000030).

22000054 is a wasteful number, since it uses less digits than its factorization.

22000054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000029.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 22000054 is about 4690.4215162392. The cubic root of 22000054 is about 280.2041623231.

Adding to 22000054 its reverse (45000022), we get a palindrome (67000076).

The spelling of 22000054 in words is "twenty-two million, fifty-four", and thus it is an aban number.