10223945 has 4 divisors (see below), whose sum is σ = 12268740. Its totient is φ = 8179152.

The previous prime is 10223923. The next prime is 10223959. The reversal of 10223945 is 54932201.

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 3853369 + 6370576 = 1963^2 + 2524^2 .

It is a cyclic number.

It is not a de Polignac number, because 10223945 - 2²² = 6029641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022390 + ... + 1022399.

It is an arithmetic number, because the mean of its divisors is an integer number (3067185).

Almost surely, 2^10223945 is an apocalyptic number.

It is an amenable number.

10223945 is a deficient number, since it is larger than the sum of its proper divisors (2044795).

10223945 is an equidigital number, since it uses as much as digits as its factorization.

10223945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044794.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 10223945 is about 3197.4904221905. The cubic root of 10223945 is about 217.0398604458.

The spelling of 10223945 in words is "ten million, two hundred twenty-three thousand, nine hundred forty-five".