25420722 has 16 divisors (see below), whose sum is σ = 50909952. Its totient is φ = 8462160.

The previous prime is 25420721. The next prime is 25420723. The reversal of 25420722 is 22702452.

It is an interprime number because it is at equal distance from previous prime (25420721) and next prime (25420723).

It is a junction number, because it is equal to n+sod(n) for n = 25420692 and 25420701.

It is not an unprimeable number, because it can be changed into a prime (25420721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2847 + ... + 7677.

It is an arithmetic number, because the mean of its divisors is an integer number (3181872).

Almost surely, 2^25420722 is an apocalyptic number.

25420722 is an abundant number, since it is smaller than the sum of its proper divisors (25489230).

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

25420722 is a wasteful number, since it uses less digits than its factorization.

25420722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713.

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

The square root of 25420722 is about 5041.8966669300. The cubic root of 25420722 is about 294.0329224088.

The spelling of 25420722 in words is "twenty-five million, four hundred twenty thousand, seven hundred twenty-two".