2205524 has 6 divisors (see below), whose sum is σ = 3859674. Its totient is φ = 1102760.

The previous prime is 2205521. The next prime is 2205527. The reversal of 2205524 is 4255022.

It is an interprime number because it is at equal distance from previous prime (2205521) and next prime (2205527).

It can be written as a sum of positive squares in only one way, i.e., 1690000 + 515524 = 1300^2 + 718^2 .

It is a super-2 number, since 2×2205524² = 9728672229152, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2205496 and 2205505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275687 + ... + 275694.

It is an arithmetic number, because the mean of its divisors is an integer number (643279).

2^2205524 is an apocalyptic number.

It is an amenable number.

2205524 is a deficient number, since it is larger than the sum of its proper divisors (1654150).

2205524 is a wasteful number, since it uses less digits than its factorization.

2205524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551385 (or 551383 counting only the distinct ones).

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

The square root of 2205524 is about 1485.1006699884. The cubic root of 2205524 is about 130.1679092661.

The spelling of 2205524 in words is "two million, two hundred five thousand, five hundred twenty-four".