30222452 has 12 divisors (see below), whose sum is σ = 56957796. Its totient is φ = 13948800.

The previous prime is 30222443. The next prime is 30222473. The reversal of 30222452 is 25422203.

It can be written as a sum of positive squares in 2 ways, for example, as 5262436 + 24960016 = 2294^2 + 4996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290549 + ... + 290652.

It is an arithmetic number, because the mean of its divisors is an integer number (4746483).

Almost surely, 2^30222452 is an apocalyptic number.

It is an amenable number.

30222452 is a deficient number, since it is larger than the sum of its proper divisors (26735344).

30222452 is a wasteful number, since it uses less digits than its factorization.

30222452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581218 (or 581216 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 30222452 is about 5497.4950659368. The cubic root of 30222452 is about 311.4893712981.

Adding to 30222452 its reverse (25422203), we get a palindrome (55644655).

The spelling of 30222452 in words is "thirty million, two hundred twenty-two thousand, four hundred fifty-two".