422602060644 has 96 divisors (see below), whose sum is σ = 1100411827200. Its totient is φ = 140254007040.

The previous prime is 422602060609. The next prime is 422602060649. The reversal of 422602060644 is 446060206224.

422602060644 is a `hidden beast` number, since 4 + 2 + 2 + 6 + 0 + 2 + 0 + 6 + 0 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 422602060599 and 422602060608.

It is not an unprimeable number, because it can be changed into a prime (422602060649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43665934 + ... + 43675610.

It is an arithmetic number, because the mean of its divisors is an integer number (11462623200).

Almost surely, 2^422602060644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422602060644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550205913600).

422602060644 is an abundant number, since it is smaller than the sum of its proper divisors (677809766556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422602060644 is a wasteful number, since it uses less digits than its factorization.

422602060644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11410 (or 11402 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 422602060644 its reverse (446060206224), we get a palindrome (868662266868).

The spelling of 422602060644 in words is "four hundred twenty-two billion, six hundred two million, sixty thousand, six hundred forty-four".