2227994399 has 2 divisors, whose sum is σ = 2227994400. Its totient is φ = 2227994398.

The previous prime is 2227994393. The next prime is 2227994437. The reversal of 2227994399 is 9934997222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2227994399 - 2²⁸ = 1959558943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2227994393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113997199 + 1113997200.

It is an arithmetic number, because the mean of its divisors is an integer number (1113997200).

Almost surely, 2^2227994399 is an apocalyptic number.

2227994399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227994399 is an equidigital number, since it uses as much as digits as its factorization.

2227994399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 56.

The square root of 2227994399 is about 47201.6355542899. The cubic root of 2227994399 is about 1306.0847689358.

The spelling of 2227994399 in words is "two billion, two hundred twenty-seven million, nine hundred ninety-four thousand, three hundred ninety-nine".