25042722 has 32 divisors (see below), whose sum is σ = 55019520. Its totient is φ = 7563600.

The previous prime is 25042697. The next prime is 25042729. The reversal of 25042722 is 22724052.

It is a junction number, because it is equal to n+sod(n) for n = 25042692 and 25042701.

It is not an unprimeable number, because it can be changed into a prime (25042729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2154 + ... + 7397.

It is an arithmetic number, because the mean of its divisors is an integer number (1719360).

Almost surely, 2^25042722 is an apocalyptic number.

25042722 is an abundant number, since it is smaller than the sum of its proper divisors (29976798).

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

25042722 is a wasteful number, since it uses less digits than its factorization.

25042722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9598.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 25042722 is about 5004.2703763886. The cubic root of 25042722 is about 292.5682388821.

Adding to 25042722 its reverse (22724052), we get a palindrome (47766774).

The spelling of 25042722 in words is "twenty-five million, forty-two thousand, seven hundred twenty-two".