30022100 has 18 divisors (see below), whose sum is σ = 65148174. Its totient is φ = 12008800.

The previous prime is 30022087. The next prime is 30022117. The reversal of 30022100 is 122003.

It can be written as a sum of positive squares in 3 ways, for example, as 4276624 + 25745476 = 2068^2 + 5074^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150011 + ... + 150210.

It is an arithmetic number, because the mean of its divisors is an integer number (3619343).

Almost surely, 2^30022100 is an apocalyptic number.

It is an amenable number.

30022100 is an abundant number, since it is smaller than the sum of its proper divisors (35126074).

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

30022100 is a wasteful number, since it uses less digits than its factorization.

30022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300235 (or 300228 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 30022100 is about 5479.2426483959. The cubic root of 30022100 is about 310.7995316876.

Adding to 30022100 its reverse (122003), we get a palindrome (30144103).

The spelling of 30022100 in words is "thirty million, twenty-two thousand, one hundred".