226212730 has 32 divisors (see below), whose sum is σ = 415633680. Its totient is φ = 88627200.

The previous prime is 226212697. The next prime is 226212737. The reversal of 226212730 is 37212622.

It can be written as a sum of positive squares in 8 ways, for example, as 190964761 + 35247969 = 13819^2 + 5937^2 .

It is a junction number, because it is equal to n+sod(n) for n = 226212695 and 226212704.

It is not an unprimeable number, because it can be changed into a prime (226212737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96816 + ... + 99124.

Almost surely, 2^226212730 is an apocalyptic number.

226212730 is a deficient number, since it is larger than the sum of its proper divisors (189420950).

226212730 is a wasteful number, since it uses less digits than its factorization.

226212730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 226212730 is about 15040.3700087465. The cubic root of 226212730 is about 609.3109930755.

The spelling of 226212730 in words is "two hundred twenty-six million, two hundred twelve thousand, seven hundred thirty".