422406087 has 8 divisors (see below), whose sum is σ = 565131504. Its totient is φ = 280642368.

The previous prime is 422406079. The next prime is 422406107. The reversal of 422406087 is 780604224.

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

It is not a de Polignac number, because 422406087 - 2³ = 422406079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422406037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239398 + ... + 241155.

It is an arithmetic number, because the mean of its divisors is an integer number (70641438).

Almost surely, 2^422406087 is an apocalyptic number.

422406087 is a deficient number, since it is larger than the sum of its proper divisors (142725417).

422406087 is a wasteful number, since it uses less digits than its factorization.

422406087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480849.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 422406087 is about 20552.5202104267. The cubic root of 422406087 is about 750.3145862511.

The spelling of 422406087 in words is "four hundred twenty-two million, four hundred six thousand, eighty-seven".