30220052 has 6 divisors (see below), whose sum is σ = 52885098. Its totient is φ = 15110024.

The previous prime is 30220049. The next prime is 30220061. The reversal of 30220052 is 25002203.

It can be written as a sum of positive squares in only one way, i.e., 18957316 + 11262736 = 4354^2 + 3356^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3777503 + ... + 3777510.

It is an arithmetic number, because the mean of its divisors is an integer number (8814183).

Almost surely, 2^30220052 is an apocalyptic number.

It is an amenable number.

30220052 is a deficient number, since it is larger than the sum of its proper divisors (22665046).

30220052 is a wasteful number, since it uses less digits than its factorization.

30220052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555017 (or 7555015 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 30220052 is about 5497.2767803704. The cubic root of 30220052 is about 311.4811258357.

Adding to 30220052 its reverse (25002203), we get a palindrome (55222255).

The spelling of 30220052 in words is "thirty million, two hundred twenty thousand, fifty-two".