30022002 has 40 divisors (see below), whose sum is σ = 68720256. Its totient is φ = 9791928.

The previous prime is 30021977. The next prime is 30022007. The reversal of 30022002 is 20022003.

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

It is not an unprimeable number, because it can be changed into a prime (30022007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5643 + ... + 9585.

Almost surely, 2^30022002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30022002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34360128).

30022002 is an abundant number, since it is smaller than the sum of its proper divisors (38698254).

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

30022002 is a wasteful number, since it uses less digits than its factorization.

30022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004 (or 3995 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 30022002 is about 5479.2337055468. The cubic root of 30022002 is about 310.7991935102.

Adding to 30022002 its reverse (20022003), we get a palindrome (50044005).

Subtracting from 30022002 its reverse (20022003), we obtain a palindrome (9999999).

The spelling of 30022002 in words is "thirty million, twenty-two thousand, two".