226772030221 has 16 divisors (see below), whose sum is σ = 248495860800. Its totient is φ = 205233465600.

The previous prime is 226772030183. The next prime is 226772030227. The reversal of 226772030221 is 122030277622.

It is a cyclic number.

It is not a de Polignac number, because 226772030221 - 2⁹ = 226772029709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226772030227) 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, 9183990 + ... + 9208648.

It is an arithmetic number, because the mean of its divisors is an integer number (15530991300).

Almost surely, 2^226772030221 is an apocalyptic number.

It is an amenable number.

226772030221 is a deficient number, since it is larger than the sum of its proper divisors (21723830579).

226772030221 is a wasteful number, since it uses less digits than its factorization.

226772030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28380.

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 226772030221 in words is "two hundred twenty-six billion, seven hundred seventy-two million, thirty thousand, two hundred twenty-one".