226157444 has 12 divisors (see below), whose sum is σ = 395889984. Its totient is φ = 113046024.

The previous prime is 226157441. The next prime is 226157471. The reversal of 226157444 is 444751622.

It is a happy number.

It is a super-2 number, since 2×226157444² = 102294378953226272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226157441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14177 + ... + 25559.

It is an arithmetic number, because the mean of its divisors is an integer number (32990832).

Almost surely, 2^226157444 is an apocalyptic number.

It is an amenable number.

226157444 is a deficient number, since it is larger than the sum of its proper divisors (169732540).

226157444 is a wasteful number, since it uses less digits than its factorization.

226157444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16354 (or 16352 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 226157444 is about 15038.5319762269. The cubic root of 226157444 is about 609.2613508468.

The spelling of 226157444 in words is "two hundred twenty-six million, one hundred fifty-seven thousand, four hundred forty-four".