422364306645 has 24 divisors (see below), whose sum is σ = 733345363296. Its totient is φ = 224877199968.

The previous prime is 422364306547. The next prime is 422364306743. The reversal of 422364306645 is 546603463224.

422364306645 is a `hidden beast` number, since 4 + 223 + 64 + 306 + 64 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (422364306547) and next prime (422364306743).

It is not a de Polignac number, because 422364306645 - 2¹³ = 422364298453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 422364306645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7968367 + ... + 8021196.

It is an arithmetic number, because the mean of its divisors is an integer number (30556056804).

Almost surely, 2^422364306645 is an apocalyptic number.

422364306645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

422364306645 is a deficient number, since it is larger than the sum of its proper divisors (310981056651).

422364306645 is a wasteful number, since it uses less digits than its factorization.

422364306645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15990161 (or 15990158 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

Adding to 422364306645 its reverse (546603463224), we get a palindrome (968967769869).

The spelling of 422364306645 in words is "four hundred twenty-two billion, three hundred sixty-four million, three hundred six thousand, six hundred forty-five".