1622236131 has 12 divisors (see below), whose sum is σ = 2466558120. Its totient is φ = 1024570080.

The previous prime is 1622236129. The next prime is 1622236139. The reversal of 1622236131 is 1316322261.

1622236131 is a `hidden beast` number, since 1 + 6 + 22 + 23 + 613 + 1 = 666.

1622236131 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1622236131 - 2¹ = 1622236129 is a prime.

It is a super-2 number, since 2×1622236131² = 5263300129443698322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1622236095 and 1622236104.

It is not an unprimeable number, because it can be changed into a prime (1622236139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4743210 + ... + 4743551.

It is an arithmetic number, because the mean of its divisors is an integer number (205546510).

Almost surely, 2^1622236131 is an apocalyptic number.

1622236131 is a deficient number, since it is larger than the sum of its proper divisors (844321989).

1622236131 is a wasteful number, since it uses less digits than its factorization.

1622236131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9486786 (or 9486783 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1622236131 is about 40276.9925764077. The cubic root of 1622236131 is about 1175.0004239624. Note that the first 3 decimals are identical.

Adding to 1622236131 its reverse (1316322261), we get a palindrome (2938558392).

The spelling of 1622236131 in words is "one billion, six hundred twenty-two million, two hundred thirty-six thousand, one hundred thirty-one".