30102298 has 4 divisors (see below), whose sum is σ = 45153450. Its totient is φ = 15051148.

The previous prime is 30102277. The next prime is 30102299. The reversal of 30102298 is 89220103.

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., 23357889 + 6744409 = 4833^2 + 2597^2 .

It is a super-2 number, since 2×30102298² = 1812296689761608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30102299) by changing a digit.

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, 7525573 + ... + 7525576.

Almost surely, 2^30102298 is an apocalyptic number.

30102298 is a deficient number, since it is larger than the sum of its proper divisors (15051152).

30102298 is a wasteful number, since it uses less digits than its factorization.

30102298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051151.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 30102298 is about 5486.5561147226. The cubic root of 30102298 is about 311.0760317685.

The spelling of 30102298 in words is "thirty million, one hundred two thousand, two hundred ninety-eight".