422513311 has 4 divisors (see below), whose sum is σ = 460923624. Its totient is φ = 384103000.

The previous prime is 422513303. The next prime is 422513327. The reversal of 422513311 is 113315224.

It is a happy number.

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 422513311 - 2³ = 422513303 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422513341) 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, 19205140 + ... + 19205161.

It is an arithmetic number, because the mean of its divisors is an integer number (115230906).

Almost surely, 2^422513311 is an apocalyptic number.

422513311 is a deficient number, since it is larger than the sum of its proper divisors (38410313).

422513311 is a wasteful number, since it uses less digits than its factorization.

422513311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38410312.

The product of its digits is 720, while the sum is 22.

The square root of 422513311 is about 20555.1285814514. The cubic root of 422513311 is about 750.3780677580.

Adding to 422513311 its reverse (113315224), we get a palindrome (535828535).

The spelling of 422513311 in words is "four hundred twenty-two million, five hundred thirteen thousand, three hundred eleven".