22252012045 has 8 divisors (see below), whose sum is σ = 28273144824. Its totient is φ = 16754456064.

The previous prime is 22252012043. The next prime is 22252012151. The reversal of 22252012045 is 54021025222.

It can be written as a sum of positive squares in 4 ways, for example, as 1528106281 + 20723905764 = 39091^2 + 143958^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22252012045 - 2¹ = 22252012043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252012043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130894104 + ... + 130894273.

It is an arithmetic number, because the mean of its divisors is an integer number (3534143103).

Almost surely, 2^22252012045 is an apocalyptic number.

It is an amenable number.

22252012045 is a deficient number, since it is larger than the sum of its proper divisors (6021132779).

22252012045 is a wasteful number, since it uses less digits than its factorization.

22252012045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261788399.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 22252012045 its reverse (54021025222), we get a palindrome (76273037267).

The spelling of 22252012045 in words is "twenty-two billion, two hundred fifty-two million, twelve thousand, forty-five".