2525222 has 16 divisors (see below), whose sum is σ = 4350240. Its totient is φ = 1076928.

The previous prime is 2525221. The next prime is 2525227. The reversal of 2525222 is 2225252.

It is a happy number.

It is a super-2 number, since 2×2525222² = 12753492298568, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁶ + 5 + 2⁹ + 5⁸ + 2¹² + 2¹⁵ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2525194 and 2525203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4154 + ... + 4722.

It is an arithmetic number, because the mean of its divisors is an integer number (271890).

2^2525222 is an apocalyptic number.

2525222 is a deficient number, since it is larger than the sum of its proper divisors (1825018).

2525222 is a wasteful number, since it uses less digits than its factorization.

2525222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895.

The product of its digits is 800, while the sum is 20.

The square root of 2525222 is about 1589.0947108338. The cubic root of 2525222 is about 136.1757747385.

The spelling of 2525222 in words is "two million, five hundred twenty-five thousand, two hundred twenty-two".