226400022 has 20 divisors (see below), whose sum is σ = 507304116. Its totient is φ = 75466620.

The previous prime is 226400021. The next prime is 226400089. The reversal of 226400022 is 220004622.

It is a happy number.

226400022 is a `hidden beast` number, since 2 + 2 + 640 + 0 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 226399968 and 226400004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226400021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 698604 + ... + 698927.

Almost surely, 2^226400022 is an apocalyptic number.

226400022 is an abundant number, since it is smaller than the sum of its proper divisors (280904094).

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

226400022 is a wasteful number, since it uses less digits than its factorization.

226400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397545 (or 1397536 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 226400022 is about 15046.5950301056. The cubic root of 226400022 is about 609.4791056219.

Adding to 226400022 its reverse (220004622), we get a palindrome (446404644).

The spelling of 226400022 in words is "two hundred twenty-six million, four hundred thousand, twenty-two".