36222191280 has 960 divisors, whose sum is σ = 148580490240. Its totient is φ = 8037273600.

The previous prime is 36222191267. The next prime is 36222191281. The reversal of 36222191280 is 8219122263.

It is a happy number.

36222191280 is a `hidden beast` number, since 3 + 622 + 2 + 1 + 9 + 1 + 28 + 0 = 666.

It is a super-2 number, since 2×36222191280² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (36222191281) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 351671709 + ... + 351671811.

It is an arithmetic number, because the mean of its divisors is an integer number (154771344).

Almost surely, 2^36222191280 is an apocalyptic number.

36222191280 is a gapful number since it is divisible by the number (30) 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 36222191280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74290245120).

36222191280 is an abundant number, since it is smaller than the sum of its proper divisors (112358298960).

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

36222191280 is a wasteful number, since it uses less digits than its factorization.

36222191280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 36222191280 in words is "thirty-six billion, two hundred twenty-two million, one hundred ninety-one thousand, two hundred eighty".