2022636408 has 128 divisors (see below), whose sum is σ = 5628268800. Its totient is φ = 601767936.

The previous prime is 2022636389. The next prime is 2022636437. The reversal of 2022636408 is 8046362202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1434808 + ... + 1436216.

It is an arithmetic number, because the mean of its divisors is an integer number (43970850).

Almost surely, 2^2022636408 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 2022636408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2814134400).

2022636408 is an abundant number, since it is smaller than the sum of its proper divisors (3605632392).

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

2022636408 is a wasteful number, since it uses less digits than its factorization.

2022636408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 2022636408 is about 44973.7301988616. The cubic root of 2022636408 is about 1264.6565765146.

The spelling of 2022636408 in words is "two billion, twenty-two million, six hundred thirty-six thousand, four hundred eight".