130222240 has 48 divisors (see below), whose sum is σ = 315979272. Its totient is φ = 50678784.

The previous prime is 130222223. The next prime is 130222259. The reversal of 130222240 is 42222031.

It can be written as a sum of positive squares in 4 ways, for example, as 126967824 + 3254416 = 11268^2 + 1804^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5079 + ... + 16918.

Almost surely, 2^130222240 is an apocalyptic number.

130222240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130222240 is an abundant number, since it is smaller than the sum of its proper divisors (185757032).

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

130222240 is a wasteful number, since it uses less digits than its factorization.

130222240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22049 (or 22041 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 130222240 is about 11411.4959580241. The cubic root of 130222240 is about 506.8682100620.

Adding to 130222240 its reverse (42222031), we get a palindrome (172444271).

The spelling of 130222240 in words is "one hundred thirty million, two hundred twenty-two thousand, two hundred forty".