422311133021 has 4 divisors (see below), whose sum is σ = 423669046944. Its totient is φ = 420953219100.

The previous prime is 422311132921. The next prime is 422311133089. The reversal of 422311133021 is 120331113224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422311133021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422311133221) 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, 678956495 + ... + 678957116.

It is an arithmetic number, because the mean of its divisors is an integer number (105917261736).

Almost surely, 2^422311133021 is an apocalyptic number.

It is an amenable number.

422311133021 is a deficient number, since it is larger than the sum of its proper divisors (1357913923).

422311133021 is a wasteful number, since it uses less digits than its factorization.

422311133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357913922.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 422311133021 its reverse (120331113224), we get a palindrome (542642246245).

The spelling of 422311133021 in words is "four hundred twenty-two billion, three hundred eleven million, one hundred thirty-three thousand, twenty-one".