22506054 has 8 divisors (see below), whose sum is σ = 45012120. Its totient is φ = 7502016.

The previous prime is 22506047. The next prime is 22506109. The reversal of 22506054 is 45060522.

It is a sphenic number, since it is the product of 3 distinct primes.

22506054 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 1875499 + ... + 1875510.

It is an arithmetic number, because the mean of its divisors is an integer number (5626515).

Almost surely, 2^22506054 is an apocalyptic number.

22506054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22506054 is a wasteful number, since it uses less digits than its factorization.

22506054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751014.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 22506054 is about 4744.0545949641. The cubic root of 22506054 is about 282.3361265365.

Adding to 22506054 its reverse (45060522), we get a palindrome (67566576).

The spelling of 22506054 in words is "twenty-two million, five hundred six thousand, fifty-four".