2228032997 has 2 divisors, whose sum is σ = 2228032998. Its totient is φ = 2228032996.

The previous prime is 2228032969. The next prime is 2228033021. The reversal of 2228032997 is 7992308222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2227934401 + 98596 = 47201^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228032997 - 2²² = 2223838693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2228032907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114016498 + 1114016499.

It is an arithmetic number, because the mean of its divisors is an integer number (1114016499).

Almost surely, 2^2228032997 is an apocalyptic number.

It is an amenable number.

2228032997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228032997 is an equidigital number, since it uses as much as digits as its factorization.

2228032997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2228032997 is about 47202.0444154700. The cubic root of 2228032997 is about 1306.0923111404.

The spelling of 2228032997 in words is "two billion, two hundred twenty-eight million, thirty-two thousand, nine hundred ninety-seven".