30242122 has 4 divisors (see below), whose sum is σ = 45363186. Its totient is φ = 15121060.

The previous prime is 30242119. The next prime is 30242123. The reversal of 30242122 is 22124203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26635921 + 3606201 = 5161^2 + 1899^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30242096 and 30242105.

It is not an unprimeable number, because it can be changed into a prime (30242123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7560529 + ... + 7560532.

Almost surely, 2^30242122 is an apocalyptic number.

30242122 is a deficient number, since it is larger than the sum of its proper divisors (15121064).

30242122 is a wasteful number, since it uses less digits than its factorization.

30242122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15121063.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30242122 is about 5499.2837715470. The cubic root of 30242122 is about 311.5569332901.

Adding to 30242122 its reverse (22124203), we get a palindrome (52366325).

It can be divided in two parts, 302 and 42122, that added together give a palindrome (42424).

The spelling of 30242122 in words is "thirty million, two hundred forty-two thousand, one hundred twenty-two".