25403422 has 16 divisors (see below), whose sum is σ = 41740272. Its totient is φ = 11499520.

The previous prime is 25403407. The next prime is 25403461. The reversal of 25403422 is 22430452.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 25403393 and 25403402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3408 + ... + 7900.

It is an arithmetic number, because the mean of its divisors is an integer number (2608767).

Almost surely, 2^25403422 is an apocalyptic number.

25403422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25403422 is a deficient number, since it is larger than the sum of its proper divisors (16336850).

25403422 is a wasteful number, since it uses less digits than its factorization.

25403422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4763.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 25403422 is about 5040.1807507271. The cubic root of 25403422 is about 293.9662061825.

Adding to 25403422 its reverse (22430452), we get a palindrome (47833874).

The spelling of 25403422 in words is "twenty-five million, four hundred three thousand, four hundred twenty-two".