226426420 has 72 divisors (see below), whose sum is σ = 547652448. Its totient is φ = 77976000.

The previous prime is 226426411. The next prime is 226426423. The reversal of 226426420 is 24624622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226426423) 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 23 ways as a sum of consecutive naturals, for example, 77995 + ... + 80845.

It is an arithmetic number, because the mean of its divisors is an integer number (7606284).

Almost surely, 2^226426420 is an apocalyptic number.

226426420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226426420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273826224).

226426420 is an abundant number, since it is smaller than the sum of its proper divisors (321226028).

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

226426420 is a wasteful number, since it uses less digits than its factorization.

226426420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909 (or 2888 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 226426420 is about 15047.4722129665. The cubic root of 226426420 is about 609.5027929048.

The spelling of 226426420 in words is "two hundred twenty-six million, four hundred twenty-six thousand, four hundred twenty".