30442292 has 6 divisors (see below), whose sum is σ = 53274018. Its totient is φ = 15221144.

The previous prime is 30442273. The next prime is 30442297. The reversal of 30442292 is 29224403.

It can be written as a sum of positive squares in only one way, i.e., 29528356 + 913936 = 5434^2 + 956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30442297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3805283 + ... + 3805290.

It is an arithmetic number, because the mean of its divisors is an integer number (8879003).

Almost surely, 2^30442292 is an apocalyptic number.

It is an amenable number.

30442292 is a deficient number, since it is larger than the sum of its proper divisors (22831726).

30442292 is a wasteful number, since it uses less digits than its factorization.

30442292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610577 (or 7610575 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30442292 is about 5517.4533980814. The cubic root of 30442292 is about 312.2428117515.

Adding to 30442292 its reverse (29224403), we get a palindrome (59666695).

The spelling of 30442292 in words is "thirty million, four hundred forty-two thousand, two hundred ninety-two".