30002211 has 16 divisors (see below), whose sum is σ = 45981600. Its totient is φ = 19311264.

The previous prime is 30002207. The next prime is 30002233. The reversal of 30002211 is 11220003.

It is a happy number.

It is not a de Polignac number, because 30002211 - 2² = 30002207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 30002193 and 30002202.

It is not an unprimeable number, because it can be changed into a prime (30002111) 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, 18376 + ... + 19941.

It is an arithmetic number, because the mean of its divisors is an integer number (2873850).

Almost surely, 2^30002211 is an apocalyptic number.

30002211 is a deficient number, since it is larger than the sum of its proper divisors (15979389).

30002211 is a wasteful number, since it uses less digits than its factorization.

30002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38355 (or 38349 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 30002211 is about 5477.4274070954. The cubic root of 30002211 is about 310.7308838424.

Adding to 30002211 its reverse (11220003), we get a palindrome (41222214).

The spelling of 30002211 in words is "thirty million, two thousand, two hundred eleven".