25022634 has 48 divisors (see below), whose sum is σ = 62703648. Its totient is φ = 6598368.

The previous prime is 25022629. The next prime is 25022651. The reversal of 25022634 is 43622052.

It is a super-2 number, since 2×25022634² = 1252264424595912, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549 + ... + 7095.

It is an arithmetic number, because the mean of its divisors is an integer number (1306326).

Almost surely, 2^25022634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25022634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31351824).

25022634 is an abundant number, since it is smaller than the sum of its proper divisors (37681014).

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

25022634 is a wasteful number, since it uses less digits than its factorization.

25022634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579 (or 6572 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 25022634 is about 5002.2628879338. The cubic root of 25022634 is about 292.4899901608.

Adding to 25022634 its reverse (43622052), we get a palindrome (68644686).

The spelling of 25022634 in words is "twenty-five million, twenty-two thousand, six hundred thirty-four".