30472211 has 16 divisors (see below), whose sum is σ = 40227840. Its totient is φ = 22346880.

The previous prime is 30472199. The next prime is 30472213. The reversal of 30472211 is 11227403.

It is a cyclic number.

It is not a de Polignac number, because 30472211 - 2⁶ = 30472147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30472213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10331 + ... + 12948.

It is an arithmetic number, because the mean of its divisors is an integer number (2514240).

Almost surely, 2^30472211 is an apocalyptic number.

30472211 is a deficient number, since it is larger than the sum of its proper divisors (9755629).

30472211 is a wasteful number, since it uses less digits than its factorization.

30472211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23314.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 30472211 is about 5520.1640374177. The cubic root of 30472211 is about 312.3450700822.

Adding to 30472211 its reverse (11227403), we get a palindrome (41699614).

The spelling of 30472211 in words is "thirty million, four hundred seventy-two thousand, two hundred eleven".