130022402 has 4 divisors (see below), whose sum is σ = 195033606. Its totient is φ = 65011200.

The previous prime is 130022383. The next prime is 130022423. The reversal of 130022402 is 204220031.

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., 129982801 + 39601 = 11401^2 + 199^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32505599 + ... + 32505602.

Almost surely, 2^130022402 is an apocalyptic number.

130022402 is a deficient number, since it is larger than the sum of its proper divisors (65011204).

130022402 is an equidigital number, since it uses as much as digits as its factorization.

130022402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65011203.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 130022402 is about 11402.7366013602. The cubic root of 130022402 is about 506.6087986965.

Adding to 130022402 its reverse (204220031), we get a palindrome (334242433).

The spelling of 130022402 in words is "one hundred thirty million, twenty-two thousand, four hundred two".