220425877 has 4 divisors (see below), whose sum is σ = 251915296. Its totient is φ = 188936460.

The previous prime is 220425847. The next prime is 220425883. The reversal of 220425877 is 778524022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220425877 - 2⁷ = 220425749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220425827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15744699 + ... + 15744712.

It is an arithmetic number, because the mean of its divisors is an integer number (62978824).

Almost surely, 2^220425877 is an apocalyptic number.

It is an amenable number.

220425877 is a deficient number, since it is larger than the sum of its proper divisors (31489419).

220425877 is an equidigital number, since it uses as much as digits as its factorization.

220425877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31489418.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 220425877 is about 14846.7463438964. The cubic root of 220425877 is about 604.0703587832.

Adding to 220425877 its reverse (778524022), we get a palindrome (998949899).

The spelling of 220425877 in words is "two hundred twenty million, four hundred twenty-five thousand, eight hundred seventy-seven".