30220040 has 32 divisors (see below), whose sum is σ = 70191360. Its totient is φ = 11697600.

The previous prime is 30220007. The next prime is 30220049. The reversal of 30220040 is 4002203.

It is not an unprimeable number, because it can be changed into a prime (30220049) 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, 10946 + ... + 13425.

It is an arithmetic number, because the mean of its divisors is an integer number (2193480).

Almost surely, 2^30220040 is an apocalyptic number.

It is an amenable number.

30220040 is an abundant number, since it is smaller than the sum of its proper divisors (39971320).

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

30220040 is a wasteful number, since it uses less digits than its factorization.

30220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24413 (or 24409 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 30220040 is about 5497.2756889208. The cubic root of 30220040 is about 311.4810846073.

Adding to 30220040 its reverse (4002203), we get a palindrome (34222243).

The spelling of 30220040 in words is "thirty million, two hundred twenty thousand, forty".