22342130 has 16 divisors (see below), whose sum is σ = 41197464. Its totient is φ = 8718720.

The previous prime is 22342127. The next prime is 22342139. The reversal of 22342130 is 3124322.

It can be written as a sum of positive squares in 4 ways, for example, as 9114361 + 13227769 = 3019^2 + 3637^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22342099 and 22342108.

It is not an unprimeable number, because it can be changed into a prime (22342139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26837 + ... + 27656.

Almost surely, 2^22342130 is an apocalyptic number.

22342130 is a deficient number, since it is larger than the sum of its proper divisors (18855334).

22342130 is a wasteful number, since it uses less digits than its factorization.

22342130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54541.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22342130 is about 4726.7462381643. The cubic root of 22342130 is about 281.6489856592.

Adding to 22342130 its reverse (3124322), we get a palindrome (25466452).

The spelling of 22342130 in words is "twenty-two million, three hundred forty-two thousand, one hundred thirty".