36222240 has 192 divisors, whose sum is σ = 126717696. Its totient is φ = 8650752.

The previous prime is 36222233. The next prime is 36222253. The reversal of 36222240 is 4222263.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187584 + ... + 187776.

It is an arithmetic number, because the mean of its divisors is an integer number (659988).

Almost surely, 2^36222240 is an apocalyptic number.

36222240 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 36222240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63358848).

36222240 is an abundant number, since it is smaller than the sum of its proper divisors (90495456).

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

36222240 is a wasteful number, since it uses less digits than its factorization.

36222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 36222240 is about 6018.4915053525. The cubic root of 36222240 is about 330.8707947324.

The spelling of 36222240 in words is "thirty-six million, two hundred twenty-two thousand, two hundred forty".