1622013920 has 24 divisors (see below), whose sum is σ = 3832008264. Its totient is φ = 648805504.

The previous prime is 1622013917. The next prime is 1622013923. The reversal of 1622013920 is 293102261.

It is an interprime number because it is at equal distance from previous prime (1622013917) and next prime (1622013923).

It is a self number, because there is not a number n which added to its sum of digits gives 1622013920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622013923) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5068634 + ... + 5068953.

It is an arithmetic number, because the mean of its divisors is an integer number (159667011).

Almost surely, 2^1622013920 is an apocalyptic number.

1622013920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1622013920 is an abundant number, since it is smaller than the sum of its proper divisors (2209994344).

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

1622013920 is a wasteful number, since it uses less digits than its factorization.

1622013920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10137602 (or 10137594 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1622013920 is about 40274.2339467804. The cubic root of 1622013920 is about 1174.9467716947.

The spelling of 1622013920 in words is "one billion, six hundred twenty-two million, thirteen thousand, nine hundred twenty".