2549224 has 8 divisors (see below), whose sum is σ = 4779810. Its totient is φ = 1274608.

The previous prime is 2549219. The next prime is 2549237. The reversal of 2549224 is 4229452.

It can be written as a sum of positive squares in only one way, i.e., 1512900 + 1036324 = 1230^2 + 1018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2549192 and 2549201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159319 + ... + 159334.

2^2549224 is an apocalyptic number.

It is an amenable number.

2549224 is a deficient number, since it is larger than the sum of its proper divisors (2230586).

2549224 is a wasteful number, since it uses less digits than its factorization.

2549224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318659 (or 318655 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 2549224 is about 1596.6289487542. The cubic root of 2549224 is about 136.6058609800.

The spelling of 2549224 in words is "two million, five hundred forty-nine thousand, two hundred twenty-four".