354421225 has 6 divisors (see below), whose sum is σ = 439482350. Its totient is φ = 283536960.

The previous prime is 354421217. The next prime is 354421241. The reversal of 354421225 is 522124453.

It can be written as a sum of positive squares in 3 ways, for example, as 42263001 + 312158224 = 6501^2 + 17668^2 .

It is not a de Polignac number, because 354421225 - 2³ = 354421217 is a prime.

It is a super-2 number, since 2×354421225² = 251228809461001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354421193 and 354421202.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 7088400 + ... + 7088449.

Almost surely, 2^354421225 is an apocalyptic number.

It is an amenable number.

354421225 is a deficient number, since it is larger than the sum of its proper divisors (85061125).

354421225 is a wasteful number, since it uses less digits than its factorization.

354421225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14176859 (or 14176854 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 354421225 is about 18826.0783223697. The cubic root of 354421225 is about 707.6848647262.

Adding to 354421225 its reverse (522124453), we get a palindrome (876545678).

The spelling of 354421225 in words is "three hundred fifty-four million, four hundred twenty-one thousand, two hundred twenty-five".