4228542 has 24 divisors (see below), whose sum is σ = 9201816. Its totient is φ = 1403376.

The previous prime is 4228537. The next prime is 4228559. The reversal of 4228542 is 2458224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5908 + ... + 6584.

It is an arithmetic number, because the mean of its divisors is an integer number (383409).

Almost surely, 2^4228542 is an apocalyptic number.

4228542 is an abundant number, since it is smaller than the sum of its proper divisors (4973274).

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

4228542 is a wasteful number, since it uses less digits than its factorization.

4228542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1029 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 4228542 is about 2056.3418976425. The cubic root of 4228542 is about 161.7075198181.

The spelling of 4228542 in words is "four million, two hundred twenty-eight thousand, five hundred forty-two".