30220232 has 32 divisors (see below), whose sum is σ = 64972800. Its totient is φ = 12908544.

The previous prime is 30220219. The next prime is 30220273. The reversal of 30220232 is 23202203.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20744 + ... + 22152.

It is an arithmetic number, because the mean of its divisors is an integer number (2030400).

Almost surely, 2^30220232 is an apocalyptic number.

It is an amenable number.

30220232 is an abundant number, since it is smaller than the sum of its proper divisors (34752568).

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

30220232 is a wasteful number, since it uses less digits than its factorization.

30220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805 (or 1801 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 30220232 is about 5497.2931520886. The cubic root of 30220232 is about 311.4817442605.

Adding to 30220232 its reverse (23202203), we get a palindrome (53422435).

The spelling of 30220232 in words is "thirty million, two hundred twenty thousand, two hundred thirty-two".