30223332 has 36 divisors (see below), whose sum is σ = 77264460. Its totient is φ = 9960192.

The previous prime is 30223321. The next prime is 30223337. The reversal of 30223332 is 23332203.

It can be written as a sum of positive squares in 2 ways, for example, as 13133376 + 17089956 = 3624^2 + 4134^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 (30223337) 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, 1513 + ... + 7920.

It is an arithmetic number, because the mean of its divisors is an integer number (2146235).

Almost surely, 2^30223332 is an apocalyptic number.

It is an amenable number.

30223332 is an abundant number, since it is smaller than the sum of its proper divisors (47041128).

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

30223332 is a wasteful number, since it uses less digits than its factorization.

30223332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532 (or 9527 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 30223332 is about 5497.5751018062. The cubic root of 30223332 is about 311.4923945250.

Adding to 30223332 its reverse (23332203), we get a palindrome (53555535).

The spelling of 30223332 in words is "thirty million, two hundred twenty-three thousand, three hundred thirty-two".