22103425 has 12 divisors (see below), whose sum is σ = 27477036. Its totient is φ = 17638400.

The previous prime is 22103407. The next prime is 22103447. The reversal of 22103425 is 52430122.

It can be written as a sum of positive squares in 6 ways, for example, as 41616 + 22061809 = 204^2 + 4697^2 .

It is not a de Polignac number, because 22103425 - 2⁷ = 22103297 is a prime.

It is a super-2 number, since 2×22103425² = 977122793461250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12177 + ... + 13873.

It is an arithmetic number, because the mean of its divisors is an integer number (2289753).

Almost surely, 2^22103425 is an apocalyptic number.

22103425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22103425 is a deficient number, since it is larger than the sum of its proper divisors (5373611).

22103425 is a wasteful number, since it uses less digits than its factorization.

22103425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2223 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22103425 is about 4701.4279745626. The cubic root of 22103425 is about 280.6423390791.

Adding to 22103425 its reverse (52430122), we get a palindrome (74533547).

The spelling of 22103425 in words is "twenty-two million, one hundred three thousand, four hundred twenty-five".