422763445 has 8 divisors (see below), whose sum is σ = 546340536. Its totient is φ = 312194496.

The previous prime is 422763413. The next prime is 422763469. The reversal of 422763445 is 544367224.

It can be written as a sum of positive squares in 4 ways, for example, as 13024881 + 409738564 = 3609^2 + 20242^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 422763445 - 2⁵ = 422763413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 3251962 + ... + 3252091.

It is an arithmetic number, because the mean of its divisors is an integer number (68292567).

Almost surely, 2^422763445 is an apocalyptic number.

It is an amenable number.

422763445 is a deficient number, since it is larger than the sum of its proper divisors (123577091).

422763445 is a wasteful number, since it uses less digits than its factorization.

422763445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504071.

The product of its digits is 161280, while the sum is 37.

The square root of 422763445 is about 20561.2121481201. The cubic root of 422763445 is about 750.5261167745.

The spelling of 422763445 in words is "four hundred twenty-two million, seven hundred sixty-three thousand, four hundred forty-five".