2542224 has 20 divisors (see below), whose sum is σ = 6567536. Its totient is φ = 847392.

The previous prime is 2542223. The next prime is 2542229. The reversal of 2542224 is 4222452.

It is a self number, because there is not a number n which added to its sum of digits gives 2542224.

It is not an unprimeable number, because it can be changed into a prime (2542223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26434 + ... + 26529.

2^2542224 is an apocalyptic number.

2542224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2542224 is an abundant number, since it is smaller than the sum of its proper divisors (4025312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2542224 is a wasteful number, since it uses less digits than its factorization.

2542224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52974 (or 52968 counting only the distinct ones).

The product of its digits is 1280, while the sum is 21.

The square root of 2542224 is about 1594.4353232414. The cubic root of 2542224 is about 136.4807094799.

Adding to 2542224 its reverse (4222452), we get a palindrome (6764676).

The spelling of 2542224 in words is "two million, five hundred forty-two thousand, two hundred twenty-four".