226145040 has 80 divisors (see below), whose sum is σ = 764790336. Its totient is φ = 54822400.

The previous prime is 226145009. The next prime is 226145047. The reversal of 226145040 is 40541622.

226145040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×226145040² = 102283158233203200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 226145040.

It is not an unprimeable number, because it can be changed into a prime (226145047) 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, 40191 + ... + 45470.

Almost surely, 2^226145040 is an apocalyptic number.

226145040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226145040 is an abundant number, since it is smaller than the sum of its proper divisors (538645296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226145040 is a wasteful number, since it uses less digits than its factorization.

226145040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85688 (or 85682 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 226145040 is about 15038.1195632965. The cubic root of 226145040 is about 609.2502119756.

Adding to 226145040 its reverse (40541622), we get a palindrome (266686662).

The spelling of 226145040 in words is "two hundred twenty-six million, one hundred forty-five thousand, forty".