36228140 has 24 divisors (see below), whose sum is σ = 81931920. Its totient is φ = 13376448.

The previous prime is 36228131. The next prime is 36228161. The reversal of 36228140 is 4182263.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69410 + ... + 69929.

It is an arithmetic number, because the mean of its divisors is an integer number (3413830).

Almost surely, 2^36228140 is an apocalyptic number.

It is an amenable number.

36228140 is an abundant number, since it is smaller than the sum of its proper divisors (45703780).

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

36228140 is a wasteful number, since it uses less digits than its factorization.

36228140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139361 (or 139359 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 36228140 is about 6018.9816414407. The cubic root of 36228140 is about 330.8887582055. Note that the first 3 decimals are identical.

The spelling of 36228140 in words is "thirty-six million, two hundred twenty-eight thousand, one hundred forty".