422730045 has 12 divisors (see below), whose sum is σ = 732732156. Its totient is φ = 225456000.

The previous prime is 422730029. The next prime is 422730053. The reversal of 422730045 is 540037224.

It can be written as a sum of positive squares in 2 ways, for example, as 89813529 + 332916516 = 9477^2 + 18246^2 .

It is not a de Polignac number, because 422730045 - 2⁴ = 422730029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4696956 + ... + 4697045.

It is an arithmetic number, because the mean of its divisors is an integer number (61061013).

Almost surely, 2^422730045 is an apocalyptic number.

422730045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

422730045 is a deficient number, since it is larger than the sum of its proper divisors (310002111).

422730045 is a wasteful number, since it uses less digits than its factorization.

422730045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9394012 (or 9394009 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 422730045 is about 20560.3999231532. The cubic root of 422730045 is about 750.5063514007.

Adding to 422730045 its reverse (540037224), we get a palindrome (962767269).

The spelling of 422730045 in words is "four hundred twenty-two million, seven hundred thirty thousand, forty-five".