2200724 has 6 divisors (see below), whose sum is σ = 3851274. Its totient is φ = 1100360.

The previous prime is 2200717. The next prime is 2200727. The reversal of 2200724 is 4270022.

It can be written as a sum of positive squares in only one way, i.e., 1607824 + 592900 = 1268^2 + 770^2 .

It is a super-2 number, since 2×2200724² = 9686372248352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275087 + ... + 275094.

It is an arithmetic number, because the mean of its divisors is an integer number (641879).

2^2200724 is an apocalyptic number.

It is an amenable number.

2200724 is a deficient number, since it is larger than the sum of its proper divisors (1650550).

2200724 is a wasteful number, since it uses less digits than its factorization.

2200724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550185 (or 550183 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 2200724 is about 1483.4837376931. The cubic root of 2200724 is about 130.0734102144.

Adding to 2200724 its reverse (4270022), we get a palindrome (6470746).

The spelling of 2200724 in words is "two million, two hundred thousand, seven hundred twenty-four".