22225045 has 8 divisors (see below), whose sum is σ = 27107640. Its totient is φ = 17488320.

The previous prime is 22225043. The next prime is 22225081. The reversal of 22225045 is 54052222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 630436 + 21594609 = 794^2 + 4647^2 .

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

It is not a de Polignac number, because 22225045 - 2¹ = 22225043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225043) 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, 36130 + ... + 36739.

It is an arithmetic number, because the mean of its divisors is an integer number (3388455).

Almost surely, 2^22225045 is an apocalyptic number.

It is an amenable number.

22225045 is a deficient number, since it is larger than the sum of its proper divisors (4882595).

22225045 is an equidigital number, since it uses as much as digits as its factorization.

22225045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72935.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22225045 is about 4714.3445991993. The cubic root of 22225045 is about 281.1561253782.

Adding to 22225045 its reverse (54052222), we get a palindrome (76277267).

The spelling of 22225045 in words is "twenty-two million, two hundred twenty-five thousand, forty-five".