1622344012 has 24 divisors (see below), whose sum is σ = 2896840800. Its totient is φ = 794841600.

The previous prime is 1622344001. The next prime is 1622344027. The reversal of 1622344012 is 2104432261.

It is a happy number.

It is a super-2 number, since 2×1622344012² = 5264000186544512288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18489 + ... + 59887.

It is an arithmetic number, because the mean of its divisors is an integer number (120701700).

Almost surely, 2^1622344012 is an apocalyptic number.

It is an amenable number.

1622344012 is a deficient number, since it is larger than the sum of its proper divisors (1274496788).

1622344012 is a wasteful number, since it uses less digits than its factorization.

1622344012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41601 (or 41599 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1622344012 is about 40278.3317926649. The cubic root of 1622344012 is about 1175.0264697825.

Adding to 1622344012 its reverse (2104432261), we get a palindrome (3726776273).

The spelling of 1622344012 in words is "one billion, six hundred twenty-two million, three hundred forty-four thousand, twelve".