30322197 has 12 divisors (see below), whose sum is σ = 45309420. Its totient is φ = 19517568.

The previous prime is 30322147. The next prime is 30322207. The reversal of 30322197 is 79122303.

It can be written as a sum of positive squares in 2 ways, for example, as 11737476 + 18584721 = 3426^2 + 4311^2 .

It is not a de Polignac number, because 30322197 - 2⁷ = 30322069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30322197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30322147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57828 + ... + 58349.

It is an arithmetic number, because the mean of its divisors is an integer number (3775785).

Almost surely, 2^30322197 is an apocalyptic number.

It is an amenable number.

30322197 is a deficient number, since it is larger than the sum of its proper divisors (14987223).

30322197 is a wasteful number, since it uses less digits than its factorization.

30322197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116212 (or 116209 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 30322197 is about 5506.5594521443. The cubic root of 30322197 is about 311.8316707877.

It can be divided in two parts, 303 and 22197, that added together give a square (22500 = 150²).

The spelling of 30322197 in words is "thirty million, three hundred twenty-two thousand, one hundred ninety-seven".