3157622644 has 24 divisors (see below), whose sum is σ = 6084535968. Its totient is φ = 1421867040.

The previous prime is 3157622621. The next prime is 3157622647. The reversal of 3157622644 is 4462267513.

It is a super-3 number, since 3×3157622644³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3157622597 and 3157622606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157622647) 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, 330639 + ... + 340054.

It is an arithmetic number, because the mean of its divisors is an integer number (253522332).

Almost surely, 2^3157622644 is an apocalyptic number.

It is an amenable number.

3157622644 is a deficient number, since it is larger than the sum of its proper divisors (2926913324).

3157622644 is a wasteful number, since it uses less digits than its factorization.

3157622644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670815 (or 670813 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 3157622644 is about 56192.7276789444. The cubic root of 3157622644 is about 1467.0786915639.

It can be divided in two parts, 31 and 57622644, that added together give a palindrome (57622675).

The spelling of 3157622644 in words is "three billion, one hundred fifty-seven million, six hundred twenty-two thousand, six hundred forty-four".