2229525 has 36 divisors (see below), whose sum is σ = 4152512. Its totient is φ = 1185840.

The previous prime is 2229523. The next prime is 2229527. The reversal of 2229525 is 5259222.

It is an interprime number because it is at equal distance from previous prime (2229523) and next prime (2229527).

It is not a de Polignac number, because 2229525 - 2¹ = 2229523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5892 + ... + 6258.

2^2229525 is an apocalyptic number.

2229525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2229525 is a deficient number, since it is larger than the sum of its proper divisors (1922987).

2229525 is an equidigital number, since it uses as much as digits as its factorization.

2229525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 375 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2229525 is about 1493.1594020733. The cubic root of 2229525 is about 130.6383787797.

The spelling of 2229525 in words is "two million, two hundred twenty-nine thousand, five hundred twenty-five".