226044745521 has 64 divisors (see below), whose sum is σ = 355373568000. Its totient is φ = 125124201216.

The previous prime is 226044745501. The next prime is 226044745567. The reversal of 226044745521 is 125547440622.

It is not a de Polignac number, because 226044745521 - 2¹⁴ = 226044729137 is a prime.

It is a super-2 number, since 2×226044745521² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (226044745501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165357580 + ... + 165358946.

It is an arithmetic number, because the mean of its divisors is an integer number (5552712000).

Almost surely, 2^226044745521 is an apocalyptic number.

226044745521 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

226044745521 is a deficient number, since it is larger than the sum of its proper divisors (129328822479).

226044745521 is a wasteful number, since it uses less digits than its factorization.

226044745521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798.

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 226044745521 in words is "two hundred twenty-six billion, forty-four million, seven hundred forty-five thousand, five hundred twenty-one".