7822725 has 24 divisors (see below), whose sum is σ = 13287840. Its totient is φ = 4057920.

The previous prime is 7822723. The next prime is 7822729. The reversal of 7822725 is 5272287.

It is not a de Polignac number, because 7822725 - 2¹ = 7822723 is a prime.

It is a super-2 number, since 2×7822725² = 122390052851250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7822723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1366 + ... + 4184.

It is an arithmetic number, because the mean of its divisors is an integer number (553660).

Almost surely, 2^7822725 is an apocalyptic number.

7822725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7822725 is a deficient number, since it is larger than the sum of its proper divisors (5465115).

7822725 is a wasteful number, since it uses less digits than its factorization.

7822725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2864 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 7822725 is about 2796.9134773890. The cubic root of 7822725 is about 198.5116600282.

The spelling of 7822725 in words is "seven million, eight hundred twenty-two thousand, seven hundred twenty-five".