226157445 has 12 divisors (see below), whose sum is σ = 392006316. Its totient is φ = 120617280.

The previous prime is 226157441. The next prime is 226157471. The reversal of 226157445 is 544751622.

It is a happy number.

226157445 is a `hidden beast` number, since 22 + 61 + 574 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 95238081 + 130919364 = 9759^2 + 11442^2 .

It is not a de Polignac number, because 226157445 - 2² = 226157441 is a prime.

It is a super-2 number, since 2×226157445² = 102294379857856050, which contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2512816 + ... + 2512905.

It is an arithmetic number, because the mean of its divisors is an integer number (32667193).

Almost surely, 2^226157445 is an apocalyptic number.

It is an amenable number.

226157445 is a deficient number, since it is larger than the sum of its proper divisors (165848871).

226157445 is a wasteful number, since it uses less digits than its factorization.

226157445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025732 (or 5025729 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 226157445 is about 15038.5320094749. The cubic root of 226157445 is about 609.2613517448.

The spelling of 226157445 in words is "two hundred twenty-six million, one hundred fifty-seven thousand, four hundred forty-five".