422651915 has 8 divisors (see below), whose sum is σ = 579636960. Its totient is φ = 289818432.

The previous prime is 422651893. The next prime is 422651917. The reversal of 422651915 is 519156224.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 422651915 - 2¹⁸ = 422389771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 12075769 = 422651915 / (4 + 2 + 2 + 6 + 5 + 1 + 9 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (422651917) 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, 6037850 + ... + 6037919.

It is an arithmetic number, because the mean of its divisors is an integer number (72454620).

Almost surely, 2^422651915 is an apocalyptic number.

422651915 is a deficient number, since it is larger than the sum of its proper divisors (156985045).

422651915 is a wasteful number, since it uses less digits than its factorization.

422651915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12075781.

The product of its digits is 21600, while the sum is 35.

The square root of 422651915 is about 20558.4998236739. The cubic root of 422651915 is about 750.4601117459.

The spelling of 422651915 in words is "four hundred twenty-two million, six hundred fifty-one thousand, nine hundred fifteen".