4622631444 has 30 divisors (see below), whose sum is σ = 12084472554. Its totient is φ = 1540877040.

The previous prime is 4622631443. The next prime is 4622631491. The reversal of 4622631444 is 4441362264.

It can be written as a sum of positive squares in only one way, i.e., 2819610000 + 1803021444 = 53100^2 + 42462^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4622631399 and 4622631408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4622631443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7133367 + ... + 7134014.

Almost surely, 2^4622631444 is an apocalyptic number.

It is an amenable number.

4622631444 is an abundant number, since it is smaller than the sum of its proper divisors (7461841110).

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

4622631444 is a wasteful number, since it uses less digits than its factorization.

4622631444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14267397 (or 14267386 counting only the distinct ones).

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

The square root of 4622631444 is about 67989.9363435501. The cubic root of 4622631444 is about 1665.8264608948.

The spelling of 4622631444 in words is "four billion, six hundred twenty-two million, six hundred thirty-one thousand, four hundred forty-four".