130440422 has 16 divisors (see below), whose sum is σ = 236766240. Its totient is φ = 52614528.

The previous prime is 130440407. The next prime is 130440487. The reversal of 130440422 is 224044031.

It is a junction number, because it is equal to n+sod(n) for n = 130440394 and 130440403.

It is a congruent number.

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, 273797 + ... + 274272.

It is an arithmetic number, because the mean of its divisors is an integer number (14797890).

Almost surely, 2^130440422 is an apocalyptic number.

130440422 is a deficient number, since it is larger than the sum of its proper divisors (106325818).

130440422 is a wasteful number, since it uses less digits than its factorization.

130440422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548095.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 130440422 is about 11421.0517028862. The cubic root of 130440422 is about 507.1511310502.

Adding to 130440422 its reverse (224044031), we get a palindrome (354484453).

The spelling of 130440422 in words is "one hundred thirty million, four hundred forty thousand, four hundred twenty-two".