1622037816 has 96 divisors (see below), whose sum is σ = 5077144800. Its totient is φ = 458219520.

The previous prime is 1622037797. The next prime is 1622037827. The reversal of 1622037816 is 6187302261.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 26776 + ... + 62936.

It is an arithmetic number, because the mean of its divisors is an integer number (52886925).

Almost surely, 2^1622037816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1622037816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2538572400).

1622037816 is an abundant number, since it is smaller than the sum of its proper divisors (3455106984).

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

1622037816 is a wasteful number, since it uses less digits than its factorization.

1622037816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36269 (or 36262 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1622037816 is about 40274.5306117899. The cubic root of 1622037816 is about 1174.9525415568.

The spelling of 1622037816 in words is "one billion, six hundred twenty-two million, thirty-seven thousand, eight hundred sixteen".