10425220 has 48 divisors (see below), whose sum is σ = 23870448. Its totient is φ = 3801600.

The previous prime is 10425197. The next prime is 10425229. The reversal of 10425220 is 2252401.

It can be written as a sum of positive squares in 8 ways, for example, as 133956 + 10291264 = 366^2 + 3208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10425194 and 10425203.

It is not an unprimeable number, because it can be changed into a prime (10425229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26062 + ... + 26458.

It is an arithmetic number, because the mean of its divisors is an integer number (497301).

Almost surely, 2^10425220 is an apocalyptic number.

10425220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10425220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11935224).

10425220 is an abundant number, since it is smaller than the sum of its proper divisors (13445228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10425220 is a wasteful number, since it uses less digits than its factorization.

10425220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 10425220 is about 3228.8109266416. The cubic root of 10425220 is about 218.4548760297.

Adding to 10425220 its reverse (2252401), we get a palindrome (12677621).

The spelling of 10425220 in words is "ten million, four hundred twenty-five thousand, two hundred twenty".