30542202 has 24 divisors (see below), whose sum is σ = 66402336. Its totient is φ = 10145736.

The previous prime is 30542179. The next prime is 30542203. The reversal of 30542202 is 20224503.

It is a super-2 number, since 2×30542202² = 1865652206017608, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (30542203) 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, 2763 + ... + 8289.

It is an arithmetic number, because the mean of its divisors is an integer number (2766764).

Almost surely, 2^30542202 is an apocalyptic number.

It is a pronic number, being equal to 5526×5527.

30542202 is an abundant number, since it is smaller than the sum of its proper divisors (35860134).

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

30542202 is a wasteful number, since it uses less digits than its factorization.

30542202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842 (or 5839 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 30542202 is about 5526.4999773817. The cubic root of 30542202 is about 312.5840268976.

Adding to 30542202 its reverse (20224503), we get a palindrome (50766705).

The spelling of 30542202 in words is "thirty million, five hundred forty-two thousand, two hundred two".