422345445 has 8 divisors (see below), whose sum is σ = 675752736. Its totient is φ = 225250896.

The previous prime is 422345437. The next prime is 422345453. The reversal of 422345445 is 544543224.

It is an interprime number because it is at equal distance from previous prime (422345437) and next prime (422345453).

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

It is not a de Polignac number, because 422345445 - 2³ = 422345437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14078167 + ... + 14078196.

It is an arithmetic number, because the mean of its divisors is an integer number (84469092).

Almost surely, 2^422345445 is an apocalyptic number.

It is an amenable number.

422345445 is a deficient number, since it is larger than the sum of its proper divisors (253407291).

422345445 is a wasteful number, since it uses less digits than its factorization.

422345445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28156371.

The product of its digits is 76800, while the sum is 33.

The square root of 422345445 is about 20551.0448639479. The cubic root of 422345445 is about 750.2786786603.

Adding to 422345445 its reverse (544543224), we get a palindrome (966888669).

The spelling of 422345445 in words is "four hundred twenty-two million, three hundred forty-five thousand, four hundred forty-five".