22234536720 has 320 divisors, whose sum is σ = 86245908480. Its totient is φ = 5216140800.

The previous prime is 22234536713. The next prime is 22234536743. The reversal of 22234536720 is 2763543222.

22234536720 is a `hidden beast` number, since 2 + 22 + 34 + 536 + 72 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 721467 + ... + 751653.

It is an arithmetic number, because the mean of its divisors is an integer number (269518464).

Almost surely, 2^22234536720 is an apocalyptic number.

22234536720 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 22234536720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43122954240).

22234536720 is an abundant number, since it is smaller than the sum of its proper divisors (64011371760).

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

22234536720 is a wasteful number, since it uses less digits than its factorization.

22234536720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30251 (or 30239 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 22234536720 in words is "twenty-two billion, two hundred thirty-four million, five hundred thirty-six thousand, seven hundred twenty".