226763621 has 12 divisors (see below), whose sum is σ = 264473388. Its totient is φ = 193862592.

The previous prime is 226763611. The next prime is 226763653. The reversal of 226763621 is 126367622.

It can be written as a sum of positive squares in 2 ways, for example, as 159112996 + 67650625 = 12614^2 + 8225^2 .

It is not a de Polignac number, because 226763621 - 2²² = 222569317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226763611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13625 + ... + 25281.

It is an arithmetic number, because the mean of its divisors is an integer number (22039449).

Almost surely, 2^226763621 is an apocalyptic number.

It is an amenable number.

226763621 is a deficient number, since it is larger than the sum of its proper divisors (37709767).

226763621 is a wasteful number, since it uses less digits than its factorization.

226763621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12068 (or 12061 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 226763621 is about 15058.6726174653. The cubic root of 226763621 is about 609.8052060993.

The spelling of 226763621 in words is "two hundred twenty-six million, seven hundred sixty-three thousand, six hundred twenty-one".