1622396826 has 24 divisors (see below), whose sum is σ = 3567661344. Its totient is φ = 532726920.

The previous prime is 1622396813. The next prime is 1622396843. The reversal of 1622396826 is 6286932261.

It is a super-2 number, since 2×1622396826² = 5264342922029748552, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671430 + ... + 673841.

It is an arithmetic number, because the mean of its divisors is an integer number (148652556).

Almost surely, 2^1622396826 is an apocalyptic number.

1622396826 is an abundant number, since it is smaller than the sum of its proper divisors (1945264518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1622396826 is a wasteful number, since it uses less digits than its factorization.

1622396826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345346 (or 1345343 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 1622396826 is about 40278.9874003804. The cubic root of 1622396826 is about 1175.0392202994.

The spelling of 1622396826 in words is "one billion, six hundred twenty-two million, three hundred ninety-six thousand, eight hundred twenty-six".