30044402 has 4 divisors (see below), whose sum is σ = 45066606. Its totient is φ = 15022200.

The previous prime is 30044387. The next prime is 30044419. The reversal of 30044402 is 20444003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20444003 = 4111 ⋅4973.

It can be written as a sum of positive squares in only one way, i.e., 27258841 + 2785561 = 5221^2 + 1669^2 .

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, 7511099 + ... + 7511102.

Almost surely, 2^30044402 is an apocalyptic number.

30044402 is a deficient number, since it is larger than the sum of its proper divisors (15022204).

30044402 is a wasteful number, since it uses less digits than its factorization.

30044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15022203.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30044402 is about 5481.2774058608. The cubic root of 30044402 is about 310.8764720695.

Adding to 30044402 its reverse (20444003), we get a palindrome (50488405).

The spelling of 30044402 in words is "thirty million, forty-four thousand, four hundred two".