25722774 has 96 divisors (see below), whose sum is σ = 70776576. Its totient is φ = 6557760.

The previous prime is 25722769. The next prime is 25722787. The reversal of 25722774 is 47722752.

It is a super-2 number, since 2×25722774² = 1323322204510152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92724 + ... + 93000.

It is an arithmetic number, because the mean of its divisors is an integer number (737256).

Almost surely, 2^25722774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25722774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35388288).

25722774 is an abundant number, since it is smaller than the sum of its proper divisors (45053802).

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

25722774 is a wasteful number, since it uses less digits than its factorization.

25722774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 367 counting only the distinct ones).

The product of its digits is 54880, while the sum is 36.

The square root of 25722774 is about 5071.7624155711. The cubic root of 25722774 is about 295.1929179564.

The spelling of 25722774 in words is "twenty-five million, seven hundred twenty-two thousand, seven hundred seventy-four".