25226622 has 48 divisors (see below), whose sum is σ = 57552768. Its totient is φ = 7974720.

The previous prime is 25226609. The next prime is 25226627. The reversal of 25226622 is 22662252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25226627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29148 + ... + 30000.

It is an arithmetic number, because the mean of its divisors is an integer number (1199016).

Almost surely, 2^25226622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25226622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28776384).

25226622 is an abundant number, since it is smaller than the sum of its proper divisors (32326146).

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

25226622 is a wasteful number, since it uses less digits than its factorization.

25226622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 942 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 25226622 is about 5022.6110739336. The cubic root of 25226622 is about 293.2826464877.

Adding to 25226622 its reverse (22662252), we get a palindrome (47888874).

The spelling of 25226622 in words is "twenty-five million, two hundred twenty-six thousand, six hundred twenty-two".