25038222 has 32 divisors (see below), whose sum is σ = 55206144. Its totient is φ = 7507200.

The previous prime is 25038193. The next prime is 25038241. The reversal of 25038222 is 22283052.

It is a junction number, because it is equal to n+sod(n) for n = 25038192 and 25038201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4447 + ... + 8357.

It is an arithmetic number, because the mean of its divisors is an integer number (1725192).

Almost surely, 2^25038222 is an apocalyptic number.

25038222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25038222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27603072).

25038222 is an abundant number, since it is smaller than the sum of its proper divisors (30167922).

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

25038222 is a wasteful number, since it uses less digits than its factorization.

25038222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 25038222 is about 5003.8207401944. The cubic root of 25038222 is about 292.5507136846.

The spelling of 25038222 in words is "twenty-five million, thirty-eight thousand, two hundred twenty-two".