994522 has 4 divisors (see below), whose sum is σ = 1491786. Its totient is φ = 497260.

The previous prime is 994501. The next prime is 994549. The reversal of 994522 is 225499.

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

It can be written as a sum of positive squares in only one way, i.e., 670761 + 323761 = 819^2 + 569^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

994522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248629 + ... + 248632.

2⁹⁹⁴⁵²² is an apocalyptic number.

994522 is a deficient number, since it is larger than the sum of its proper divisors (497264).

994522 is a wasteful number, since it uses less digits than its factorization.

994522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497263.

The product of its digits is 6480, while the sum is 31.

The square root of 994522 is about 997.2572386300. The cubic root of 994522 is about 99.8170655539.

The spelling of 994522 in words is "nine hundred ninety-four thousand, five hundred twenty-two".