226645501 has 2 divisors, whose sum is σ = 226645502. Its totient is φ = 226645500.

The previous prime is 226645493. The next prime is 226645511. The reversal of 226645501 is 105546622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204461401 + 22184100 = 14299^2 + 4710^2 .

It is a cyclic number.

It is not a de Polignac number, because 226645501 - 2³ = 226645493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226645511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113322750 + 113322751.

It is an arithmetic number, because the mean of its divisors is an integer number (113322751).

Almost surely, 2^226645501 is an apocalyptic number.

It is an amenable number.

226645501 is a deficient number, since it is larger than the sum of its proper divisors (1).

226645501 is an equidigital number, since it uses as much as digits as its factorization.

226645501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 226645501 is about 15054.7501141666. The cubic root of 226645501 is about 609.6993062479.

The spelling of 226645501 in words is "two hundred twenty-six million, six hundred forty-five thousand, five hundred one".