422965022987 has 4 divisors (see below), whose sum is σ = 455500794000. Its totient is φ = 390429251976.

The previous prime is 422965022951. The next prime is 422965022989. The reversal of 422965022987 is 789220569224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422965022987 - 2¹² = 422965018891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422965022989) 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, 16267885487 + ... + 16267885512.

It is an arithmetic number, because the mean of its divisors is an integer number (113875198500).

Almost surely, 2^422965022987 is an apocalyptic number.

422965022987 is a deficient number, since it is larger than the sum of its proper divisors (32535771013).

422965022987 is a wasteful number, since it uses less digits than its factorization.

422965022987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32535771012.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 422965022987 in words is "four hundred twenty-two billion, nine hundred sixty-five million, twenty-two thousand, nine hundred eighty-seven".