3404220397 has 2 divisors, whose sum is σ = 3404220398. Its totient is φ = 3404220396.

The previous prime is 3404220341. The next prime is 3404220427. The reversal of 3404220397 is 7930224043.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1805740036 + 1598480361 = 42494^2 + 39981^2 .

It is a cyclic number.

It is not a de Polignac number, because 3404220397 - 2⁷ = 3404220269 is a prime.

It is a super-2 number, since 2×3404220397² = 23177433022701675218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3404220997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702110198 + 1702110199.

It is an arithmetic number, because the mean of its divisors is an integer number (1702110199).

Almost surely, 2^3404220397 is an apocalyptic number.

It is an amenable number.

3404220397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3404220397 is an equidigital number, since it uses as much as digits as its factorization.

3404220397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 3404220397 is about 58345.6973306516. The cubic root of 3404220397 is about 1504.3165142584.

The spelling of 3404220397 in words is "three billion, four hundred four million, two hundred twenty thousand, three hundred ninety-seven".