10228945 has 4 divisors (see below), whose sum is σ = 12274740. Its totient is φ = 8183152.

The previous prime is 10228943. The next prime is 10228963. The reversal of 10228945 is 54982201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5071504 + 5157441 = 2252^2 + 2271^2 .

It is a cyclic number.

It is not a de Polignac number, because 10228945 - 2¹ = 10228943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10228943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022890 + ... + 1022899.

It is an arithmetic number, because the mean of its divisors is an integer number (3068685).

Almost surely, 2^10228945 is an apocalyptic number.

It is an amenable number.

10228945 is a deficient number, since it is larger than the sum of its proper divisors (2045795).

10228945 is an equidigital number, since it uses as much as digits as its factorization.

10228945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045794.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10228945 is about 3198.2721897925. The cubic root of 10228945 is about 217.0752356506.

The spelling of 10228945 in words is "ten million, two hundred twenty-eight thousand, nine hundred forty-five".