22255045 has 8 divisors (see below), whose sum is σ = 26779896. Its totient is φ = 17754816.

The previous prime is 22255031. The next prime is 22255049. The reversal of 22255045 is 54055222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5755201 + 16499844 = 2399^2 + 4062^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22255045 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 (22255049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4102 + ... + 7831.

It is an arithmetic number, because the mean of its divisors is an integer number (3347487).

Almost surely, 2^22255045 is an apocalyptic number.

It is an amenable number.

22255045 is a deficient number, since it is larger than the sum of its proper divisors (4524851).

22255045 is a wasteful number, since it uses less digits than its factorization.

22255045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12311.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 22255045 is about 4717.5253046486. The cubic root of 22255045 is about 281.2825726884.

The spelling of 22255045 in words is "twenty-two million, two hundred fifty-five thousand, forty-five".