5622156643 has 4 divisors (see below), whose sum is σ = 5634678600. Its totient is φ = 5609634688.

The previous prime is 5622156613. The next prime is 5622156667. The reversal of 5622156643 is 3466512265.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5622156643 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5622156596 and 5622156605.

It is not an unprimeable number, because it can be changed into a prime (5622156613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6260305 + ... + 6261202.

It is an arithmetic number, because the mean of its divisors is an integer number (1408669650).

Almost surely, 2^5622156643 is an apocalyptic number.

5622156643 is a deficient number, since it is larger than the sum of its proper divisors (12521957).

5622156643 is a wasteful number, since it uses less digits than its factorization.

5622156643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12521956.

The product of its digits is 259200, while the sum is 40.

The square root of 5622156643 is about 74981.0418906006. The cubic root of 5622156643 is about 1778.1469419626.

The spelling of 5622156643 in words is "five billion, six hundred twenty-two million, one hundred fifty-six thousand, six hundred forty-three".