22400054 has 16 divisors (see below), whose sum is σ = 34551360. Its totient is φ = 10887360.

The previous prime is 22400051. The next prime is 22400057. The reversal of 22400054 is 45000422.

It is an interprime number because it is at equal distance from previous prime (22400051) and next prime (22400057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400051) 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, 9827 + ... + 11889.

It is an arithmetic number, because the mean of its divisors is an integer number (2159460).

Almost surely, 2^22400054 is an apocalyptic number.

22400054 is a deficient number, since it is larger than the sum of its proper divisors (12151306).

22400054 is a wasteful number, since it uses less digits than its factorization.

22400054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 22400054 is about 4732.8695312675. The cubic root of 22400054 is about 281.8921758027.

Adding to 22400054 its reverse (45000422), we get a palindrome (67400476).

The spelling of 22400054 in words is "twenty-two million, four hundred thousand, fifty-four".