1622941020 has 72 divisors (see below), whose sum is σ = 5027690304. Its totient is φ = 423573888.

The previous prime is 1622941013. The next prime is 1622941043. The reversal of 1622941020 is 201492261.

1622941020 is a `hidden beast` number, since 1 + 6 + 229 + 410 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87459 + ... + 104378.

It is an arithmetic number, because the mean of its divisors is an integer number (69829032).

Almost surely, 2^1622941020 is an apocalyptic number.

1622941020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1622941020 is an abundant number, since it is smaller than the sum of its proper divisors (3404749284).

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

1622941020 is a wasteful number, since it uses less digits than its factorization.

1622941020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191899 (or 191894 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1622941020 is about 40285.7421428475. The cubic root of 1622941020 is about 1175.1705851625.

The spelling of 1622941020 in words is "one billion, six hundred twenty-two million, nine hundred forty-one thousand, twenty".