36221670 has 48 divisors (see below), whose sum is σ = 94947840. Its totient is φ = 9580032.

The previous prime is 36221641. The next prime is 36221677. The reversal of 36221670 is 7612263.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36221677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9846 + ... + 13014.

It is an arithmetic number, because the mean of its divisors is an integer number (1978080).

Almost surely, 2^36221670 is an apocalyptic number.

36221670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 36221670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47473920).

36221670 is an abundant number, since it is smaller than the sum of its proper divisors (58726170).

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

36221670 is a wasteful number, since it uses less digits than its factorization.

36221670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309 (or 3306 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 36221670 is about 6018.4441511075. Note that the first 3 decimals coincide. The cubic root of 36221670 is about 330.8690591748.

The spelling of 36221670 in words is "thirty-six million, two hundred twenty-one thousand, six hundred seventy".