1622240068 has 6 divisors (see below), whose sum is σ = 2838920126. Its totient is φ = 811120032.

The previous prime is 1622240057. The next prime is 1622240069. The reversal of 1622240068 is 8600422261.

It can be written as a sum of positive squares in only one way, i.e., 1117698624 + 504541444 = 33432^2 + 22462^2 .

It is not an unprimeable number, because it can be changed into a prime (1622240069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202780005 + ... + 202780012.

Almost surely, 2^1622240068 is an apocalyptic number.

It is an amenable number.

1622240068 is a deficient number, since it is larger than the sum of its proper divisors (1216680058).

1622240068 is a wasteful number, since it uses less digits than its factorization.

1622240068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405560021 (or 405560019 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1622240068 is about 40277.0414504343. The cubic root of 1622240068 is about 1175.0013744967.

The spelling of 1622240068 in words is "one billion, six hundred twenty-two million, two hundred forty thousand, sixty-eight".