30253222 has 4 divisors (see below), whose sum is σ = 45379836. Its totient is φ = 15126610.

The previous prime is 30253213. The next prime is 30253231. The reversal of 30253222 is 22235203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22235203 = 151 ⋅147253.

It is an interprime number because it is at equal distance from previous prime (30253213) and next prime (30253231).

It is a self number, because there is not a number n which added to its sum of digits gives 30253222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7563304 + ... + 7563307.

It is an arithmetic number, because the mean of its divisors is an integer number (11344959).

Almost surely, 2^30253222 is an apocalyptic number.

30253222 is a deficient number, since it is larger than the sum of its proper divisors (15126614).

30253222 is a wasteful number, since it uses less digits than its factorization.

30253222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15126613.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30253222 is about 5500.2929012917. The cubic root of 30253222 is about 311.5950463447.

Adding to 30253222 its reverse (22235203), we get a palindrome (52488425).

The spelling of 30253222 in words is "thirty million, two hundred fifty-three thousand, two hundred twenty-two".