422440333501 has 4 divisors (see below), whose sum is σ = 422746229404. Its totient is φ = 422134437600.

The previous prime is 422440333499. The next prime is 422440333583. The reversal of 422440333501 is 105333044224.

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 296560841476 + 125879492025 = 544574^2 + 354795^2 .

It is a cyclic number.

It is not a de Polignac number, because 422440333501 - 2¹ = 422440333499 is a prime.

It is a super-2 number, since 2×422440333501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422440333901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152945880 + ... + 152948641.

It is an arithmetic number, because the mean of its divisors is an integer number (105686557351).

Almost surely, 2^422440333501 is an apocalyptic number.

It is an amenable number.

422440333501 is a deficient number, since it is larger than the sum of its proper divisors (305895903).

422440333501 is a wasteful number, since it uses less digits than its factorization.

422440333501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305895902.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 422440333501 its reverse (105333044224), we get a palindrome (527773377725).

The spelling of 422440333501 in words is "four hundred twenty-two billion, four hundred forty million, three hundred thirty-three thousand, five hundred one".