227144940 has 96 divisors (see below), whose sum is σ = 697745664. Its totient is φ = 54754560.

The previous prime is 227144927. The next prime is 227144959. The reversal of 227144940 is 49441722.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 129147 + ... + 130893.

It is an arithmetic number, because the mean of its divisors is an integer number (7268184).

Almost surely, 2^227144940 is an apocalyptic number.

227144940 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 227144940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348872832).

227144940 is an abundant number, since it is smaller than the sum of its proper divisors (470600724).

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

227144940 is a wasteful number, since it uses less digits than its factorization.

227144940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 227144940 is about 15071.3284086042. The cubic root of 227144940 is about 610.1468248200.

The spelling of 227144940 in words is "two hundred twenty-seven million, one hundred forty-four thousand, nine hundred forty".