226299397428 has 96 divisors (see below), whose sum is σ = 659304172800. Its totient is φ = 66603157632.

The previous prime is 226299397427. The next prime is 226299397433. The reversal of 226299397428 is 824793992622.

226299397428 is a `hidden beast` number, since 226 + 299 + 39 + 74 + 28 = 666.

226299397428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×226299397428² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226299397421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3471663 + ... + 3536246.

It is an arithmetic number, because the mean of its divisors is an integer number (6867751800).

Almost surely, 2^226299397428 is an apocalyptic number.

It is an amenable number.

226299397428 is an abundant number, since it is smaller than the sum of its proper divisors (433004775372).

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

226299397428 is a wasteful number, since it uses less digits than its factorization.

226299397428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007958 (or 7007950 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 226299397428 in words is "two hundred twenty-six billion, two hundred ninety-nine million, three hundred ninety-seven thousand, four hundred twenty-eight".