7422130 has 8 divisors (see below), whose sum is σ = 13359852. Its totient is φ = 2968848.

The previous prime is 7422097. The next prime is 7422131. The reversal of 7422130 is 312247.

It can be written as a sum of positive squares in 2 ways, for example, as 6796449 + 625681 = 2607^2 + 791^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7422098 and 7422107.

It is not an unprimeable number, because it can be changed into a prime (7422131) 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, 371097 + ... + 371116.

Almost surely, 2^7422130 is an apocalyptic number.

7422130 is a deficient number, since it is larger than the sum of its proper divisors (5937722).

7422130 is a wasteful number, since it uses less digits than its factorization.

7422130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742220.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 7422130 is about 2724.3586401206. The cubic root of 7422130 is about 195.0635777786.

Adding to 7422130 its reverse (312247), we get a palindrome (7734377).

The spelling of 7422130 in words is "seven million, four hundred twenty-two thousand, one hundred thirty".