228279607 has 2 divisors, whose sum is σ = 228279608. Its totient is φ = 228279606.

The previous prime is 228279589. The next prime is 228279637. The reversal of 228279607 is 706972822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228279607 - 2¹¹ = 228277559 is a prime.

It is a super-2 number, since 2×228279607² = 104223157944148898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228279637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114139803 + 114139804.

It is an arithmetic number, because the mean of its divisors is an integer number (114139804).

Almost surely, 2^228279607 is an apocalyptic number.

228279607 is a deficient number, since it is larger than the sum of its proper divisors (1).

228279607 is an equidigital number, since it uses as much as digits as its factorization.

228279607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 228279607 is about 15108.9247466522. The cubic root of 228279607 is about 611.1611021278.

The spelling of 228279607 in words is "two hundred twenty-eight million, two hundred seventy-nine thousand, six hundred seven".