228101407 has 2 divisors, whose sum is σ = 228101408. Its totient is φ = 228101406.

The previous prime is 228101353. The next prime is 228101413. The reversal of 228101407 is 704101822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228101407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228101477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114050703 + 114050704.

It is an arithmetic number, because the mean of its divisors is an integer number (114050704).

Almost surely, 2^228101407 is an apocalyptic number.

228101407 is a deficient number, since it is larger than the sum of its proper divisors (1).

228101407 is an equidigital number, since it uses as much as digits as its factorization.

228101407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 228101407 is about 15103.0264185692. The cubic root of 228101407 is about 611.0020322032.

The spelling of 228101407 in words is "two hundred twenty-eight million, one hundred one thousand, four hundred seven".