2204542 has 4 divisors (see below), whose sum is σ = 3306816. Its totient is φ = 1102270.

The previous prime is 2204537. The next prime is 2204557. The reversal of 2204542 is 2454022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551134 + ... + 551137.

It is an arithmetic number, because the mean of its divisors is an integer number (826704).

2^2204542 is an apocalyptic number.

2204542 is a deficient number, since it is larger than the sum of its proper divisors (1102274).

2204542 is a wasteful number, since it uses less digits than its factorization.

2204542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102273.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2204542 is about 1484.7700158610. The cubic root of 2204542 is about 130.1485874991.

Adding to 2204542 its reverse (2454022), we get a palindrome (4658564).

The spelling of 2204542 in words is "two million, two hundred four thousand, five hundred forty-two".