25022712 has 128 divisors (see below), whose sum is σ = 76930560. Its totient is φ = 6673920.

The previous prime is 25022681. The next prime is 25022713. The reversal of 25022712 is 21722052.

It is a happy number.

It is a super-2 number, since 2×25022712² = 1252272231669888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25022713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78778 + ... + 79094.

It is an arithmetic number, because the mean of its divisors is an integer number (601020).

Almost surely, 2^25022712 is an apocalyptic number.

25022712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25022712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38465280).

25022712 is an abundant number, since it is smaller than the sum of its proper divisors (51907848).

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

25022712 is a wasteful number, since it uses less digits than its factorization.

25022712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 25022712 is about 5002.2706843992. The cubic root of 25022712 is about 292.4902940749.

Adding to 25022712 its reverse (21722052), we get a palindrome (46744764).

The spelling of 25022712 in words is "twenty-five million, twenty-two thousand, seven hundred twelve".