227409372 has 72 divisors (see below), whose sum is σ = 602652960. Its totient is φ = 72167040.

The previous prime is 227409367. The next prime is 227409373. The reversal of 227409372 is 273904722.

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 not an unprimeable number, because it can be changed into a prime (227409373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222222 + ... + 223242.

It is an arithmetic number, because the mean of its divisors is an integer number (8370180).

Almost surely, 2^227409372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227409372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301326480).

227409372 is an abundant number, since it is smaller than the sum of its proper divisors (375243588).

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

227409372 is a wasteful number, since it uses less digits than its factorization.

227409372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 227409372 is about 15080.0985407921. The cubic root of 227409372 is about 610.3835015669.

The spelling of 227409372 in words is "two hundred twenty-seven million, four hundred nine thousand, three hundred seventy-two".