2228542 has 4 divisors (see below), whose sum is σ = 3342816. Its totient is φ = 1114270.

The previous prime is 2228533. The next prime is 2228543. The reversal of 2228542 is 2458222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557134 + ... + 557137.

It is an arithmetic number, because the mean of its divisors is an integer number (835704).

2^2228542 is an apocalyptic number.

2228542 is a deficient number, since it is larger than the sum of its proper divisors (1114274).

2228542 is a wasteful number, since it uses less digits than its factorization.

2228542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114273.

The product of its digits is 2560, while the sum is 25.

The square root of 2228542 is about 1492.8301979797. The cubic root of 2228542 is about 130.6191764228.

The spelling of 2228542 in words is "two million, two hundred twenty-eight thousand, five hundred forty-two".