130215522 has 8 divisors (see below), whose sum is σ = 260431056. Its totient is φ = 43405172.

The previous prime is 130215499. The next prime is 130215523. The reversal of 130215522 is 225512031.

It is a sphenic number, since it is the product of 3 distinct primes.

130215522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (130215523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10851288 + ... + 10851299.

It is an arithmetic number, because the mean of its divisors is an integer number (32553882).

Almost surely, 2^130215522 is an apocalyptic number.

130215522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130215522 is a wasteful number, since it uses less digits than its factorization.

130215522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21702592.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 130215522 is about 11411.2016019348. The cubic root of 130215522 is about 506.8594936830.

Adding to 130215522 its reverse (225512031), we get a palindrome (355727553).

The spelling of 130215522 in words is "one hundred thirty million, two hundred fifteen thousand, five hundred twenty-two".