354222025 has 6 divisors (see below), whose sum is σ = 439235342. Its totient is φ = 283377600.

The previous prime is 354222019. The next prime is 354222067. The reversal of 354222025 is 520222453.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 22581504 + 331640521 = 4752^2 + 18211^2 .

It is not a de Polignac number, because 354222025 - 2²³ = 345833417 is a prime.

It is a super-3 number, since 3×354222025³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 14168881 = 354222025 / (3 + 5 + 4 + 2 + 2 + 2 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7084416 + ... + 7084465.

Almost surely, 2^354222025 is an apocalyptic number.

It is an amenable number.

354222025 is a deficient number, since it is larger than the sum of its proper divisors (85013317).

354222025 is a wasteful number, since it uses less digits than its factorization.

354222025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14168891 (or 14168886 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 354222025 is about 18820.7870451796. The cubic root of 354222025 is about 707.5522567502.

Adding to 354222025 its reverse (520222453), we get a palindrome (874444478).

The spelling of 354222025 in words is "three hundred fifty-four million, two hundred twenty-two thousand, twenty-five".