130724022 has 64 divisors (see below), whose sum is σ = 309496320. Its totient is φ = 36288000.

The previous prime is 130724017. The next prime is 130724053. The reversal of 130724022 is 220427031.

130724022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 130724022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129054 + ... + 130062.

It is an arithmetic number, because the mean of its divisors is an integer number (4835880).

Almost surely, 2^130724022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130724022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154748160).

130724022 is an abundant number, since it is smaller than the sum of its proper divisors (178772298).

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

130724022 is a wasteful number, since it uses less digits than its factorization.

130724022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 130724022 is about 11433.4606309726. The cubic root of 130724022 is about 507.5184097118.

The spelling of 130724022 in words is "one hundred thirty million, seven hundred twenty-four thousand, twenty-two".