422501011 has 4 divisors (see below), whose sum is σ = 426240072. Its totient is φ = 418761952.

The previous prime is 422500999. The next prime is 422501047. The reversal of 422501011 is 110105224.

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

It is a cyclic number.

It is not a de Polignac number, because 422501011 - 2⁵ = 422500979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422501411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1869361 + ... + 1869586.

It is an arithmetic number, because the mean of its divisors is an integer number (106560018).

Almost surely, 2^422501011 is an apocalyptic number.

422501011 is a deficient number, since it is larger than the sum of its proper divisors (3739061).

422501011 is a wasteful number, since it uses less digits than its factorization.

422501011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739060.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 422501011 is about 20554.8293838699. The cubic root of 422501011 is about 750.3707861415.

Adding to 422501011 its reverse (110105224), we get a palindrome (532606235).

The spelling of 422501011 in words is "four hundred twenty-two million, five hundred one thousand, eleven".