226742331593890 has 16 divisors (see below), whose sum is σ = 466441367850432. Its totient is φ = 77740227975024.

The previous prime is 226742331593849. The next prime is 226742331593893. The reversal of 226742331593890 is 98395133247622.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (226742331593893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619588082744 + ... + 1619588082883.

It is an arithmetic number, because the mean of its divisors is an integer number (29152585490652).

It is a 1-persistent number, because it is pandigital, but 2⋅226742331593890 = 453484663187780 is not.

Almost surely, 2^{226742331593890} is an apocalyptic number.

226742331593890 is an abundant number, since it is smaller than the sum of its proper divisors (239699036256542).

226742331593890 is a wasteful number, since it uses less digits than its factorization.

226742331593890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239176165641.

The product of its (nonzero) digits is 117573120, while the sum is 64.

The spelling of 226742331593890 in words is "two hundred twenty-six trillion, seven hundred forty-two billion, three hundred thirty-one million, five hundred ninety-three thousand, eight hundred ninety".