995473221 has 4 divisors (see below), whose sum is σ = 1327297632. Its totient is φ = 663648812.

The previous prime is 995473211. The next prime is 995473231. The reversal of 995473221 is 122374599.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (995473211) and next prime (995473231).

It is a cyclic number.

It is not a de Polignac number, because 995473221 - 2¹⁷ = 995342149 is a prime.

It is a super-2 number, since 2×995473221² = 1981933867456229682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995473201) 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, 165912201 + ... + 165912206.

It is an arithmetic number, because the mean of its divisors is an integer number (331824408).

Almost surely, 2^995473221 is an apocalyptic number.

It is an amenable number.

995473221 is a deficient number, since it is larger than the sum of its proper divisors (331824411).

995473221 is a wasteful number, since it uses less digits than its factorization.

995473221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331824410.

The product of its digits is 136080, while the sum is 42.

The square root of 995473221 is about 31551.1207566387. The cubic root of 995473221 is about 998.4887910646.

The spelling of 995473221 in words is "nine hundred ninety-five million, four hundred seventy-three thousand, two hundred twenty-one".