354122405 has 32 divisors (see below), whose sum is σ = 529369344. Its totient is φ = 221423616.

The previous prime is 354122387. The next prime is 354122407. The reversal of 354122405 is 504221453.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 354122405 - 2⁶ = 354122341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354122407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33077 + ... + 42453.

It is an arithmetic number, because the mean of its divisors is an integer number (16542792).

Almost surely, 2^354122405 is an apocalyptic number.

354122405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

354122405 is a deficient number, since it is larger than the sum of its proper divisors (175246939).

354122405 is a wasteful number, since it uses less digits than its factorization.

354122405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9485.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 354122405 is about 18818.1403172577. The cubic root of 354122405 is about 707.4859207993.

Adding to 354122405 its reverse (504221453), we get a palindrome (858343858).

The spelling of 354122405 in words is "three hundred fifty-four million, one hundred twenty-two thousand, four hundred five".