30002022 has 16 divisors (see below), whose sum is σ = 66671280. Its totient is φ = 10000656.

The previous prime is 30002009. The next prime is 30002023. The reversal of 30002022 is 22020003.

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 = 30001995 and 30002013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277743 + ... + 277850.

It is an arithmetic number, because the mean of its divisors is an integer number (4166955).

Almost surely, 2^30002022 is an apocalyptic number.

30002022 is an abundant number, since it is smaller than the sum of its proper divisors (36669258).

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

30002022 is a wasteful number, since it uses less digits than its factorization.

30002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555604 (or 555598 counting only the distinct ones).

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

The square root of 30002022 is about 5477.4101544434. The cubic root of 30002022 is about 310.7302313543.

Adding to 30002022 its reverse (22020003), we get a palindrome (52022025).

The spelling of 30002022 in words is "thirty million, two thousand, twenty-two".