227440764 has 24 divisors (see below), whose sum is σ = 589661520. Its totient is φ = 75813552.

The previous prime is 227440753. The next prime is 227440867. The reversal of 227440764 is 467044722.

It is a happy number.

It is a super-2 number, since 2×227440764² = 103458602257807392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

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, 1052859 + ... + 1053074.

It is an arithmetic number, because the mean of its divisors is an integer number (24569230).

Almost surely, 2^227440764 is an apocalyptic number.

It is an amenable number.

227440764 is an abundant number, since it is smaller than the sum of its proper divisors (362220756).

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

227440764 is a wasteful number, since it uses less digits than its factorization.

227440764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105946 (or 2105938 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 227440764 is about 15081.1393468796. The cubic root of 227440764 is about 610.4115864213.

The spelling of 227440764 in words is "two hundred twenty-seven million, four hundred forty thousand, seven hundred sixty-four".