130622428 has 12 divisors (see below), whose sum is σ = 238528080. Its totient is φ = 62471552.

The previous prime is 130622419. The next prime is 130622483. The reversal of 130622428 is 824226031.

It is a junction number, because it is equal to n+sod(n) for n = 130622396 and 130622405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709813 + ... + 709996.

It is an arithmetic number, because the mean of its divisors is an integer number (19877340).

Almost surely, 2^130622428 is an apocalyptic number.

It is an amenable number.

130622428 is a deficient number, since it is larger than the sum of its proper divisors (107905652).

130622428 is a wasteful number, since it uses less digits than its factorization.

130622428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419836 (or 1419834 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 130622428 is about 11429.0169306026. The cubic root of 130622428 is about 507.3869006304.

Adding to 130622428 its reverse (824226031), we get a palindrome (954848459).

The spelling of 130622428 in words is "one hundred thirty million, six hundred twenty-two thousand, four hundred twenty-eight".