422573101 has 4 divisors (see below), whose sum is σ = 432879804. Its totient is φ = 412266400.

The previous prime is 422573093. The next prime is 422573143. The reversal of 422573101 is 101375224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105555076 + 317018025 = 10274^2 + 17805^2 .

It is a cyclic number.

It is not a de Polignac number, because 422573101 - 2³ = 422573093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422573161) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5153290 + ... + 5153371.

It is an arithmetic number, because the mean of its divisors is an integer number (108219951).

Almost surely, 2^422573101 is an apocalyptic number.

422573101 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

422573101 is a deficient number, since it is larger than the sum of its proper divisors (10306703).

422573101 is a wasteful number, since it uses less digits than its factorization.

422573101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10306702.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 422573101 is about 20556.5829115639. The cubic root of 422573101 is about 750.4134615057.

The spelling of 422573101 in words is "four hundred twenty-two million, five hundred seventy-three thousand, one hundred one".