354422407 has 2 divisors, whose sum is σ = 354422408. Its totient is φ = 354422406.

The previous prime is 354422401. The next prime is 354422449. The reversal of 354422407 is 704224453.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354422407 - 2³ = 354422399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354422401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177211203 + 177211204.

It is an arithmetic number, because the mean of its divisors is an integer number (177211204).

Almost surely, 2^354422407 is an apocalyptic number.

354422407 is a deficient number, since it is larger than the sum of its proper divisors (1).

354422407 is an equidigital number, since it uses as much as digits as its factorization.

354422407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 354422407 is about 18826.1097149677. The cubic root of 354422407 is about 707.6856514385.

The spelling of 354422407 in words is "three hundred fifty-four million, four hundred twenty-two thousand, four hundred seven".