30052206 has 24 divisors (see below), whose sum is σ = 67214784. Its totient is φ = 9694080.

The previous prime is 30052201. The next prime is 30052213. The reversal of 30052206 is 60225003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30052201) 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, 26371 + ... + 27486.

It is an arithmetic number, because the mean of its divisors is an integer number (2800616).

Almost surely, 2^30052206 is an apocalyptic number.

30052206 is an abundant number, since it is smaller than the sum of its proper divisors (37162578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30052206 is a wasteful number, since it uses less digits than its factorization.

30052206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53896 (or 53893 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30052206 is about 5481.9892374940. The cubic root of 30052206 is about 310.9033863452.

Adding to 30052206 its reverse (60225003), we get a palindrome (90277209).

The spelling of 30052206 in words is "thirty million, fifty-two thousand, two hundred six".