7822163428 has 12 divisors (see below), whose sum is σ = 14409248560. Its totient is φ = 3705235272.

The previous prime is 7822163399. The next prime is 7822163431. The reversal of 7822163428 is 8243612287.

It is a super-2 number, since 2×7822163428² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51461526 + ... + 51461677.

Almost surely, 2^7822163428 is an apocalyptic number.

It is an amenable number.

7822163428 is a deficient number, since it is larger than the sum of its proper divisors (6587085132).

7822163428 is a wasteful number, since it uses less digits than its factorization.

7822163428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102923226 (or 102923224 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 7822163428 is about 88442.9953585924. The cubic root of 7822163428 is about 1985.0690971174.

The spelling of 7822163428 in words is "seven billion, eight hundred twenty-two million, one hundred sixty-three thousand, four hundred twenty-eight".