1622355144 has 32 divisors (see below), whose sum is σ = 4061715840. Its totient is φ = 540008000.

The previous prime is 1622355143. The next prime is 1622355179. The reversal of 1622355144 is 4415532261.

It is not an unprimeable number, because it can be changed into a prime (1622355143) 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 in 7 ways as a sum of consecutive naturals, for example, 31392 + ... + 65039.

It is an arithmetic number, because the mean of its divisors is an integer number (126928620).

Almost surely, 2^1622355144 is an apocalyptic number.

It is an amenable number.

1622355144 is an abundant number, since it is smaller than the sum of its proper divisors (2439360696).

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

1622355144 is a wasteful number, since it uses less digits than its factorization.

1622355144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97141 (or 97137 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 1622355144 is about 40278.4699808719. The cubic root of 1622355144 is about 1175.0291573269.

The spelling of 1622355144 in words is "one billion, six hundred twenty-two million, three hundred fifty-five thousand, one hundred forty-four".