6622025 has 6 divisors (see below), whose sum is σ = 8211342. Its totient is φ = 5297600.

The previous prime is 6622019. The next prime is 6622037. The reversal of 6622025 is 5202266.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 565504 + 6056521 = 752^2 + 2461^2 .

It is not a de Polignac number, because 6622025 - 2⁴ = 6622009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132416 + ... + 132465.

It is an arithmetic number, because the mean of its divisors is an integer number (1368557).

Almost surely, 2^6622025 is an apocalyptic number.

It is an amenable number.

6622025 is a deficient number, since it is larger than the sum of its proper divisors (1589317).

6622025 is a wasteful number, since it uses less digits than its factorization.

6622025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264891 (or 264886 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 6622025 is about 2573.3295552649. The cubic root of 6622025 is about 187.7861704198.

The spelling of 6622025 in words is "six million, six hundred twenty-two thousand, twenty-five".