994227705 has 24 divisors (see below), whose sum is σ = 1728789192. Its totient is φ = 528574464.

The previous prime is 994227683. The next prime is 994227709. The reversal of 994227705 is 507722499.

It can be written as a sum of positive squares in 4 ways, for example, as 178382736 + 815844969 = 13356^2 + 28563^2 .

It is not a de Polignac number, because 994227705 - 2¹¹ = 994225657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (994227709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20584 + ... + 49113.

It is an arithmetic number, because the mean of its divisors is an integer number (72032883).

Almost surely, 2^994227705 is an apocalyptic number.

It is an amenable number.

994227705 is a deficient number, since it is larger than the sum of its proper divisors (734561487).

994227705 is a wasteful number, since it uses less digits than its factorization.

994227705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70025 (or 70022 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 994227705 is about 31531.3765160990. The cubic root of 994227705 is about 998.0721875942.

The spelling of 994227705 in words is "nine hundred ninety-four million, two hundred twenty-seven thousand, seven hundred five".