226044647421 has 16 divisors (see below), whose sum is σ = 306850650624. Its totient is φ = 147989282864.

The previous prime is 226044647399. The next prime is 226044647431. The reversal of 226044647421 is 124746440622.

It is not a de Polignac number, because 226044647421 - 2⁷ = 226044647293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226044647431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2676411 + ... + 2759576.

It is an arithmetic number, because the mean of its divisors is an integer number (19178165664).

Almost surely, 2^226044647421 is an apocalyptic number.

It is an amenable number.

226044647421 is a deficient number, since it is larger than the sum of its proper divisors (80806003203).

226044647421 is a wasteful number, since it uses less digits than its factorization.

226044647421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436240.

The product of its (nonzero) digits is 516096, while the sum is 42.

The spelling of 226044647421 in words is "two hundred twenty-six billion, forty-four million, six hundred forty-seven thousand, four hundred twenty-one".