220125449 has 2 divisors, whose sum is σ = 220125450. Its totient is φ = 220125448.

The previous prime is 220125443. The next prime is 220125463. The reversal of 220125449 is 944521022.

220125449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152967424 + 67158025 = 12368^2 + 8195^2 .

It is a cyclic number.

It is not a de Polignac number, because 220125449 - 2⁸ = 220125193 is a prime.

It is not a weakly prime, because it can be changed into another prime (220125443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110062724 + 110062725.

It is an arithmetic number, because the mean of its divisors is an integer number (110062725).

Almost surely, 2^220125449 is an apocalyptic number.

It is an amenable number.

220125449 is a deficient number, since it is larger than the sum of its proper divisors (1).

220125449 is an equidigital number, since it uses as much as digits as its factorization.

220125449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 220125449 is about 14836.6252564389. The cubic root of 220125449 is about 603.7957960995.

The spelling of 220125449 in words is "two hundred twenty million, one hundred twenty-five thousand, four hundred forty-nine".