228022999 has 2 divisors, whose sum is σ = 228023000. Its totient is φ = 228022998.

The previous prime is 228022981. The next prime is 228023021. The reversal of 228022999 is 999220822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228022999 - 2¹³ = 228014807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228022919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114011499 + 114011500.

It is an arithmetic number, because the mean of its divisors is an integer number (114011500).

Almost surely, 2^228022999 is an apocalyptic number.

228022999 is a deficient number, since it is larger than the sum of its proper divisors (1).

228022999 is an equidigital number, since it uses as much as digits as its factorization.

228022999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 228022999 is about 15100.4304243290. The cubic root of 228022999 is about 610.9320151901.

The spelling of 228022999 in words is "two hundred twenty-eight million, twenty-two thousand, nine hundred ninety-nine".