226261764 has 81 divisors (see below), whose sum is σ = 603423093. Its totient is φ = 71479584.

The previous prime is 226261757. The next prime is 226261769. The reversal of 226261764 is 467162622.

The square root of 226261764 is 15042.

It is a perfect power (a square), and thus also a powerful number.

226261764 is a `hidden beast` number, since 22 + 626 + 1 + 7 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 157703364 + 68558400 = 12558^2 + 8280^2 .

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

It is not an unprimeable number, because it can be changed into a prime (226261769) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2075742 + ... + 2075850.

Almost surely, 2^226261764 is an apocalyptic number.

226261764 is the 15042-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226261764

226261764 is an abundant number, since it is smaller than the sum of its proper divisors (377161329).

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

226261764 is a wasteful number, since it uses less digits than its factorization.

226261764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 137 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The cubic root of 226261764 is about 609.3550147607.

Multiplying 226261764 by its sum of digits (36), we get a square (8145423504 = 90252²).

226261764 divided by its sum of digits (36) gives a square (6285049 = 2507²).

The spelling of 226261764 in words is "two hundred twenty-six million, two hundred sixty-one thousand, seven hundred sixty-four".