422030545 has 8 divisors (see below), whose sum is σ = 507349224. Its totient is φ = 337016064.

The previous prime is 422030537. The next prime is 422030551. The reversal of 422030545 is 545030224.

It can be written as a sum of positive squares in 4 ways, for example, as 9168784 + 412861761 = 3028^2 + 20319^2 .

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 422030545 - 2³ = 422030537 is a prime.

It is a Duffinian 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, 72984 + ... + 78553.

It is an arithmetic number, because the mean of its divisors is an integer number (63418653).

Almost surely, 2^422030545 is an apocalyptic number.

It is an amenable number.

422030545 is a deficient number, since it is larger than the sum of its proper divisors (85318679).

422030545 is a wasteful number, since it uses less digits than its factorization.

422030545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152099.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 422030545 is about 20543.3820243893. The cubic root of 422030545 is about 750.0921634889.

Adding to 422030545 its reverse (545030224), we get a palindrome (967060769).

The spelling of 422030545 in words is "four hundred twenty-two million, thirty thousand, five hundred forty-five".