1822126131 has 32 divisors (see below), whose sum is σ = 3092249600. Its totient is φ = 1038795840.

The previous prime is 1822126121. The next prime is 1822126139. The reversal of 1822126131 is 1316212281.

1822126131 is a `hidden beast` number, since 18 + 22 + 12 + 613 + 1 = 666.

It is not a de Polignac number, because 1822126131 - 2⁵ = 1822126099 is a prime.

It is a super-2 number, since 2×1822126131² = 6640287274546058322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1822126095 and 1822126104.

It is not an unprimeable number, because it can be changed into a prime (1822126139) 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, 71991 + ... + 93951.

It is an arithmetic number, because the mean of its divisors is an integer number (96632800).

Almost surely, 2^1822126131 is an apocalyptic number.

1822126131 is a deficient number, since it is larger than the sum of its proper divisors (1270123469).

1822126131 is a wasteful number, since it uses less digits than its factorization.

1822126131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22416 (or 22410 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1822126131 is about 42686.3693818062. The cubic root of 1822126131 is about 1221.4043961095.

The spelling of 1822126131 in words is "one billion, eight hundred twenty-two million, one hundred twenty-six thousand, one hundred thirty-one".