226021156 has 9 divisors (see below), whose sum is σ = 395589649. Its totient is φ = 112995544.

The previous prime is 226021139. The next prime is 226021163. The reversal of 226021156 is 651120622.

The square root of 226021156 is 15034.

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

It can be written as a sum of positive squares in only one way, i.e., 211702500 + 14318656 = 14550^2 + 3784^2 .

It is a super-4 number, since 4×226021156⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226021156.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 26310 + ... + 33826.

Almost surely, 2^226021156 is an apocalyptic number.

226021156 is the 15034-th square number.

It is an amenable number.

226021156 is a deficient number, since it is larger than the sum of its proper divisors (169568493).

226021156 is an frugal number, since it uses more digits than its factorization.

226021156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15038 (or 7519 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The cubic root of 226021156 is about 609.1389409971.

Multiplying 226021156 by its sum of digits (25), we get a square (5650528900 = 75170²).

Adding to 226021156 its reverse (651120622), we get a palindrome (877141778).

The spelling of 226021156 in words is "two hundred twenty-six million, twenty-one thousand, one hundred fifty-six".