22545054 has 84 divisors (see below), whose sum is σ = 59205624. Its totient is φ = 6304392.

The previous prime is 22545053. The next prime is 22545059. The reversal of 22545054 is 45054522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22545053) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 479659 + ... + 479705.

Almost surely, 2^22545054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22545054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29602812).

22545054 is an abundant number, since it is smaller than the sum of its proper divisors (36660570).

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

22545054 is an frugal number, since it uses more digits than its factorization.

22545054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 22545054 is about 4748.1632238161. The cubic root of 22545054 is about 282.4991160857.

Adding to 22545054 its reverse (45054522), we get a palindrome (67599576).

The spelling of 22545054 in words is "twenty-two million, five hundred forty-five thousand, fifty-four".