115622421 has 8 divisors (see below), whose sum is σ = 154733184. Its totient is φ = 76796640.

The previous prime is 115622417. The next prime is 115622431. The reversal of 115622421 is 124226511.

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

It is not a de Polignac number, because 115622421 - 2² = 115622417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115622391 and 115622400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115622431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70296 + ... + 71921.

It is an arithmetic number, because the mean of its divisors is an integer number (19341648).

Almost surely, 2^115622421 is an apocalyptic number.

It is an amenable number.

115622421 is a deficient number, since it is larger than the sum of its proper divisors (39110763).

115622421 is a wasteful number, since it uses less digits than its factorization.

115622421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142491.

The product of its digits is 960, while the sum is 24.

The square root of 115622421 is about 10752.7866620704. The cubic root of 115622421 is about 487.1701679515.

Adding to 115622421 its reverse (124226511), we get a palindrome (239848932).

The spelling of 115622421 in words is "one hundred fifteen million, six hundred twenty-two thousand, four hundred twenty-one".