2227399 has 2 divisors, whose sum is σ = 2227400. Its totient is φ = 2227398.

The previous prime is 2227397. The next prime is 2227409. The reversal of 2227399 is 9937222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2227399 - 2¹ = 2227397 is a prime.

It is a super-2 number, since 2×2227399² = 9922612610402, which contains 22 as substring.

Together with 2227397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2227397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113699 + 1113700.

It is an arithmetic number, because the mean of its divisors is an integer number (1113700).

2^2227399 is an apocalyptic number.

2227399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227399 is an equidigital number, since it uses as much as digits as its factorization.

2227399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 2227399 is about 1492.4473190033. The cubic root of 2227399 is about 130.5968414537.

It can be divided in two parts, 222 and 7399, that multiplied together give a triangular number (1642578 = T₁₈₁₂).

The spelling of 2227399 in words is "two million, two hundred twenty-seven thousand, three hundred ninety-nine".