130224402 has 64 divisors (see below), whose sum is σ = 360806400. Its totient is φ = 33823440.

The previous prime is 130224389. The next prime is 130224407. The reversal of 130224402 is 204422031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (130224407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11502 + ... + 19817.

It is an arithmetic number, because the mean of its divisors is an integer number (5637600).

Almost surely, 2^130224402 is an apocalyptic number.

130224402 is an abundant number, since it is smaller than the sum of its proper divisors (230581998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130224402 is a wasteful number, since it uses less digits than its factorization.

130224402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31348 (or 31342 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 130224402 is about 11411.5906866659. The cubic root of 130224402 is about 506.8710151205.

Adding to 130224402 its reverse (204422031), we get a palindrome (334646433).

It can be divided in two parts, 13022 and 4402, that added together give a square (17424 = 132²).

The spelling of 130224402 in words is "one hundred thirty million, two hundred twenty-four thousand, four hundred two".