30162207 has 4 divisors (see below), whose sum is σ = 40216280. Its totient is φ = 20108136.

The previous prime is 30162193. The next prime is 30162227. The reversal of 30162207 is 70226103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70226103 = 3 ⋅23408701.

It is not a de Polignac number, because 30162207 - 2⁴ = 30162191 is a prime.

It is a super-2 number, since 2×30162207² = 1819517462221698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30162227) 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, 5027032 + ... + 5027037.

It is an arithmetic number, because the mean of its divisors is an integer number (10054070).

Almost surely, 2^30162207 is an apocalyptic number.

30162207 is a deficient number, since it is larger than the sum of its proper divisors (10054073).

30162207 is a wasteful number, since it uses less digits than its factorization.

30162207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054072.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 30162207 is about 5492.0130189212. The cubic root of 30162207 is about 311.2822608131.

The spelling of 30162207 in words is "thirty million, one hundred sixty-two thousand, two hundred seven".