422020313634653 has 8 divisors (see below), whose sum is σ = 432313899082296. Its totient is φ = 411726747571200.

The previous prime is 422020313634643. The next prime is 422020313634679. The reversal of 422020313634653 is 356436313020224.

It can be written as a sum of positive squares in 4 ways, for example, as 586959773689 + 421433353860964 = 766133^2 + 20528842^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422020313634653 - 2⁸ = 422020313634397 is a prime.

It is a super-2 number, since 2×422020313634653² (a number of 30 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 (422020313634643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45539663 + ... + 54017603.

It is an arithmetic number, because the mean of its divisors is an integer number (54039237385287).

Almost surely, 2^{422020313634653} is an apocalyptic number.

It is an amenable number.

422020313634653 is a deficient number, since it is larger than the sum of its proper divisors (10293585447643).

422020313634653 is a wasteful number, since it uses less digits than its factorization.

422020313634653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9692095.

The product of its (nonzero) digits is 1866240, while the sum is 44.

Adding to 422020313634653 its reverse (356436313020224), we get a palindrome (778456626654877).

The spelling of 422020313634653 in words is "four hundred twenty-two trillion, twenty billion, three hundred thirteen million, six hundred thirty-four thousand, six hundred fifty-three".