220125451 has 16 divisors (see below), whose sum is σ = 279666688. Its totient is φ = 168544800.

The previous prime is 220125449. The next prime is 220125463. The reversal of 220125451 is 154521022.

It is a cyclic number.

It is not a de Polignac number, because 220125451 - 2¹ = 220125449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220125491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36195 + ... + 41836.

It is an arithmetic number, because the mean of its divisors is an integer number (17479168).

Almost surely, 2^220125451 is an apocalyptic number.

220125451 is a deficient number, since it is larger than the sum of its proper divisors (59541237).

220125451 is a wasteful number, since it uses less digits than its factorization.

220125451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78082.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 220125451 is about 14836.6253238397. The cubic root of 220125451 is about 603.7957979281.

Adding to 220125451 its reverse (154521022), we get a palindrome (374646473).

The spelling of 220125451 in words is "two hundred twenty million, one hundred twenty-five thousand, four hundred fifty-one".