22276572640 has 192 divisors, whose sum is σ = 62081002368. Its totient is φ = 7394918400.

The previous prime is 22276572613. The next prime is 22276572649. The reversal of 22276572640 is 4627567222.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22276572649) 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 31 ways as a sum of consecutive naturals, for example, 6289270 + ... + 6292810.

It is an arithmetic number, because the mean of its divisors is an integer number (323338554).

Almost surely, 2^22276572640 is an apocalyptic number.

22276572640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22276572640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31040501184).

22276572640 is an abundant number, since it is smaller than the sum of its proper divisors (39804429728).

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

22276572640 is a wasteful number, since it uses less digits than its factorization.

22276572640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741 (or 3733 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 22276572640 in words is "twenty-two billion, two hundred seventy-six million, five hundred seventy-two thousand, six hundred forty".