22245054 has 32 divisors (see below), whose sum is σ = 48825504. Its totient is φ = 6714240.

The previous prime is 22245049. The next prime is 22245077. The reversal of 22245054 is 45054222.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1444 + ... + 6824.

It is an arithmetic number, because the mean of its divisors is an integer number (1525797).

Almost surely, 2^22245054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22245054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24412752).

22245054 is an abundant number, since it is smaller than the sum of its proper divisors (26580450).

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

22245054 is a wasteful number, since it uses less digits than its factorization.

22245054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 22245054 is about 4716.4662619381. The cubic root of 22245054 is about 281.2404741465.

Adding to 22245054 its reverse (45054222), we get a palindrome (67299276).

The spelling of 22245054 in words is "twenty-two million, two hundred forty-five thousand, fifty-four".